./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:58:03,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:58:03,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:58:03,262 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:58:03,262 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:58:03,263 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:58:03,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:58:03,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:58:03,266 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:58:03,267 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:58:03,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:58:03,268 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:58:03,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:58:03,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:58:03,269 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:58:03,270 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:58:03,270 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:58:03,272 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:58:03,273 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:58:03,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:58:03,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:58:03,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:58:03,277 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:58:03,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:58:03,278 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:58:03,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:58:03,279 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:58:03,279 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:58:03,280 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:58:03,280 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:58:03,280 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:58:03,282 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:58:03,282 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:58:03,282 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:58:03,283 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:58:03,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:58:03,284 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:58:03,293 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:58:03,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:58:03,294 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:58:03,294 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:58:03,294 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:58:03,295 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:58:03,295 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:58:03,295 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:58:03,295 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:58:03,295 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:58:03,295 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:58:03,295 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:58:03,295 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:58:03,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:58:03,296 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:58:03,296 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:58:03,296 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:58:03,297 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:58:03,297 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:58:03,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:58:03,297 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:58:03,297 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:58:03,297 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:58:03,297 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:58:03,297 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:58:03,298 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:58:03,298 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:58:03,298 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:58:03,298 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:58:03,298 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:58:03,298 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:58:03,299 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:58:03,299 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:58:03,299 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:58:03,299 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:58:03,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:58:03,299 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:58:03,299 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_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2018-11-23 03:58:03,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:58:03,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:58:03,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:58:03,338 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:58:03,338 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:58:03,339 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-23 03:58:03,384 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/data/835598d09/bf6e310b34fa4e7f843326f6003f8214/FLAG0de372957 [2018-11-23 03:58:03,823 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:58:03,824 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-23 03:58:03,831 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/data/835598d09/bf6e310b34fa4e7f843326f6003f8214/FLAG0de372957 [2018-11-23 03:58:03,840 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/data/835598d09/bf6e310b34fa4e7f843326f6003f8214 [2018-11-23 03:58:03,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:58:03,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:58:03,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:58:03,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:58:03,847 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:58:03,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:03" (1/1) ... [2018-11-23 03:58:03,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618eb6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:03, skipping insertion in model container [2018-11-23 03:58:03,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:03" (1/1) ... [2018-11-23 03:58:03,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:58:03,893 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:58:04,097 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:58:04,106 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:58:04,210 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:58:04,227 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:58:04,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04 WrapperNode [2018-11-23 03:58:04,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:58:04,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:58:04,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:58:04,228 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:58:04,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... [2018-11-23 03:58:04,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... [2018-11-23 03:58:04,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:58:04,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:58:04,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:58:04,253 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:58:04,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... [2018-11-23 03:58:04,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... [2018-11-23 03:58:04,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... [2018-11-23 03:58:04,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... [2018-11-23 03:58:04,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... [2018-11-23 03:58:04,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... [2018-11-23 03:58:04,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... [2018-11-23 03:58:04,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:58:04,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:58:04,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:58:04,284 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:58:04,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:58:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:58:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:58:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:58:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:58:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 03:58:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 03:58:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:58:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:58:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:58:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:58:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:58:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 03:58:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 03:58:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:58:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:58:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:58:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:58:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 03:58:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 03:58:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:58:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:58:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:58:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:58:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 03:58:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 03:58:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 03:58:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 03:58:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:58:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:58:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:58:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:58:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:58:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:58:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:58:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:58:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 03:58:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 03:58:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:58:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:58:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:58:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:58:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:58:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:58:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:58:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:58:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:58:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:58:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:58:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:58:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:58:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:58:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:58:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:58:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:58:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:58:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:58:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:58:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:58:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:58:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:58:04,686 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:58:04,687 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:58:04,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:04 BoogieIcfgContainer [2018-11-23 03:58:04,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:58:04,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:58:04,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:58:04,689 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:58:04,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:58:03" (1/3) ... [2018-11-23 03:58:04,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d14b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:58:04, skipping insertion in model container [2018-11-23 03:58:04,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04" (2/3) ... [2018-11-23 03:58:04,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d14b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:58:04, skipping insertion in model container [2018-11-23 03:58:04,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:04" (3/3) ... [2018-11-23 03:58:04,692 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-11-23 03:58:04,698 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:58:04,703 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:58:04,712 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:58:04,734 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:58:04,734 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:58:04,734 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:58:04,735 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:58:04,735 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:58:04,735 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:58:04,735 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:58:04,735 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:58:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2018-11-23 03:58:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 03:58:04,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:04,757 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:04,759 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:04,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:04,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1493314064, now seen corresponding path program 1 times [2018-11-23 03:58:04,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:04,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:04,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:04,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:04,793 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:04,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:04,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:58:04,948 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:04,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:58:04,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:58:04,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:58:04,966 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2018-11-23 03:58:04,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:04,994 INFO L93 Difference]: Finished difference Result 270 states and 333 transitions. [2018-11-23 03:58:04,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:58:04,995 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 03:58:04,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:05,002 INFO L225 Difference]: With dead ends: 270 [2018-11-23 03:58:05,002 INFO L226 Difference]: Without dead ends: 137 [2018-11-23 03:58:05,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:58:05,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-23 03:58:05,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-23 03:58:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-23 03:58:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-11-23 03:58:05,039 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2018-11-23 03:58:05,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:05,040 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-11-23 03:58:05,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:58:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-11-23 03:58:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:58:05,041 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:05,042 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:05,042 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:05,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:05,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1278122046, now seen corresponding path program 1 times [2018-11-23 03:58:05,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:05,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:05,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:05,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:05,043 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:05,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:05,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:58:05,117 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:05,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:58:05,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:58:05,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:58:05,120 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2018-11-23 03:58:05,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:05,138 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2018-11-23 03:58:05,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:58:05,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 03:58:05,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:05,140 INFO L225 Difference]: With dead ends: 215 [2018-11-23 03:58:05,140 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 03:58:05,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:58:05,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 03:58:05,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 03:58:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 03:58:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2018-11-23 03:58:05,153 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2018-11-23 03:58:05,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:05,153 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2018-11-23 03:58:05,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:58:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2018-11-23 03:58:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 03:58:05,156 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:05,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:05,156 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:05,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:05,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1253670099, now seen corresponding path program 1 times [2018-11-23 03:58:05,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:05,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:05,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:05,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:05,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:05,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:05,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:58:05,283 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:05,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:58:05,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:58:05,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:58:05,285 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 7 states. [2018-11-23 03:58:05,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:05,581 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2018-11-23 03:58:05,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:58:05,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 03:58:05,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:05,584 INFO L225 Difference]: With dead ends: 228 [2018-11-23 03:58:05,584 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 03:58:05,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:58:05,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 03:58:05,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 03:58:05,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 03:58:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2018-11-23 03:58:05,596 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2018-11-23 03:58:05,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:05,596 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2018-11-23 03:58:05,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:58:05,596 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2018-11-23 03:58:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 03:58:05,599 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:05,599 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:05,599 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:05,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:05,600 INFO L82 PathProgramCache]: Analyzing trace with hash 388033785, now seen corresponding path program 1 times [2018-11-23 03:58:05,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:05,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:05,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:05,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:05,601 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:05,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:05,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:58:05,690 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:05,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:58:05,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:58:05,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:58:05,691 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 5 states. [2018-11-23 03:58:05,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:05,994 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2018-11-23 03:58:05,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:58:05,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 03:58:05,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:05,997 INFO L225 Difference]: With dead ends: 329 [2018-11-23 03:58:05,997 INFO L226 Difference]: Without dead ends: 229 [2018-11-23 03:58:05,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:58:05,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-23 03:58:06,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 210. [2018-11-23 03:58:06,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-23 03:58:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2018-11-23 03:58:06,021 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 70 [2018-11-23 03:58:06,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:06,022 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2018-11-23 03:58:06,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:58:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2018-11-23 03:58:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 03:58:06,024 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:06,024 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:06,025 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:06,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:06,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1195866969, now seen corresponding path program 1 times [2018-11-23 03:58:06,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:06,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:06,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:06,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:06,027 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:06,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:06,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:58:06,144 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:06,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:58:06,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:58:06,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:58:06,145 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 6 states. [2018-11-23 03:58:06,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:06,352 INFO L93 Difference]: Finished difference Result 556 states and 656 transitions. [2018-11-23 03:58:06,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:58:06,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 03:58:06,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:06,356 INFO L225 Difference]: With dead ends: 556 [2018-11-23 03:58:06,357 INFO L226 Difference]: Without dead ends: 374 [2018-11-23 03:58:06,357 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:58:06,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-11-23 03:58:06,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2018-11-23 03:58:06,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-11-23 03:58:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 420 transitions. [2018-11-23 03:58:06,385 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 420 transitions. Word has length 84 [2018-11-23 03:58:06,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:06,385 INFO L480 AbstractCegarLoop]: Abstraction has 368 states and 420 transitions. [2018-11-23 03:58:06,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:58:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 420 transitions. [2018-11-23 03:58:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 03:58:06,388 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:06,388 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:06,388 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:06,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:06,388 INFO L82 PathProgramCache]: Analyzing trace with hash -2011780491, now seen corresponding path program 1 times [2018-11-23 03:58:06,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:06,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:06,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:06,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:06,389 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:06,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:06,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:58:06,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:06,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:58:06,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:58:06,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:58:06,455 INFO L87 Difference]: Start difference. First operand 368 states and 420 transitions. Second operand 7 states. [2018-11-23 03:58:06,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:06,964 INFO L93 Difference]: Finished difference Result 739 states and 868 transitions. [2018-11-23 03:58:06,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 03:58:06,965 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-23 03:58:06,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:06,967 INFO L225 Difference]: With dead ends: 739 [2018-11-23 03:58:06,967 INFO L226 Difference]: Without dead ends: 399 [2018-11-23 03:58:06,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:58:06,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-11-23 03:58:06,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 367. [2018-11-23 03:58:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-23 03:58:06,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-11-23 03:58:06,994 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 88 [2018-11-23 03:58:06,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:06,994 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-11-23 03:58:06,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:58:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-11-23 03:58:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 03:58:06,996 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:06,996 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:06,996 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:06,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:06,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1201698845, now seen corresponding path program 1 times [2018-11-23 03:58:06,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:06,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:06,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:06,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:06,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:07,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:07,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:58:07,058 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:07,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:58:07,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:58:07,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:58:07,060 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 6 states. [2018-11-23 03:58:07,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:07,093 INFO L93 Difference]: Finished difference Result 716 states and 826 transitions. [2018-11-23 03:58:07,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:58:07,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 03:58:07,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:07,097 INFO L225 Difference]: With dead ends: 716 [2018-11-23 03:58:07,097 INFO L226 Difference]: Without dead ends: 377 [2018-11-23 03:58:07,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:58:07,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-23 03:58:07,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-23 03:58:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-23 03:58:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 427 transitions. [2018-11-23 03:58:07,118 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 427 transitions. Word has length 89 [2018-11-23 03:58:07,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:07,118 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 427 transitions. [2018-11-23 03:58:07,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:58:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 427 transitions. [2018-11-23 03:58:07,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 03:58:07,120 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:07,120 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:07,120 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:07,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:07,120 INFO L82 PathProgramCache]: Analyzing trace with hash -500098971, now seen corresponding path program 1 times [2018-11-23 03:58:07,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:07,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:07,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:07,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:07,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:07,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:07,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 03:58:07,191 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:07,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 03:58:07,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 03:58:07,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:58:07,192 INFO L87 Difference]: Start difference. First operand 377 states and 427 transitions. Second operand 8 states. [2018-11-23 03:58:07,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:07,237 INFO L93 Difference]: Finished difference Result 740 states and 860 transitions. [2018-11-23 03:58:07,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:58:07,238 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-23 03:58:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:07,241 INFO L225 Difference]: With dead ends: 740 [2018-11-23 03:58:07,241 INFO L226 Difference]: Without dead ends: 391 [2018-11-23 03:58:07,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:58:07,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-11-23 03:58:07,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 385. [2018-11-23 03:58:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-11-23 03:58:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 435 transitions. [2018-11-23 03:58:07,263 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 435 transitions. Word has length 89 [2018-11-23 03:58:07,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:07,264 INFO L480 AbstractCegarLoop]: Abstraction has 385 states and 435 transitions. [2018-11-23 03:58:07,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 03:58:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 435 transitions. [2018-11-23 03:58:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 03:58:07,266 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:07,266 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:07,266 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:07,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:07,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1225381926, now seen corresponding path program 1 times [2018-11-23 03:58:07,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:07,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:07,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:07,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:07,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:07,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:07,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 03:58:07,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:07,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:58:07,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:58:07,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:58:07,332 INFO L87 Difference]: Start difference. First operand 385 states and 435 transitions. Second operand 4 states. [2018-11-23 03:58:07,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:07,457 INFO L93 Difference]: Finished difference Result 1162 states and 1382 transitions. [2018-11-23 03:58:07,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:58:07,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-23 03:58:07,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:07,461 INFO L225 Difference]: With dead ends: 1162 [2018-11-23 03:58:07,461 INFO L226 Difference]: Without dead ends: 805 [2018-11-23 03:58:07,462 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:58:07,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2018-11-23 03:58:07,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 517. [2018-11-23 03:58:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-11-23 03:58:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 580 transitions. [2018-11-23 03:58:07,488 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 580 transitions. Word has length 89 [2018-11-23 03:58:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:07,488 INFO L480 AbstractCegarLoop]: Abstraction has 517 states and 580 transitions. [2018-11-23 03:58:07,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:58:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 580 transitions. [2018-11-23 03:58:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 03:58:07,489 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:07,489 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:07,490 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:07,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:07,491 INFO L82 PathProgramCache]: Analyzing trace with hash -40858900, now seen corresponding path program 1 times [2018-11-23 03:58:07,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:07,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:07,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:07,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:07,492 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:07,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:07,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:58:07,545 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:07,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:58:07,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:58:07,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:58:07,546 INFO L87 Difference]: Start difference. First operand 517 states and 580 transitions. Second operand 3 states. [2018-11-23 03:58:07,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:07,577 INFO L93 Difference]: Finished difference Result 796 states and 908 transitions. [2018-11-23 03:58:07,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:58:07,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-23 03:58:07,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:07,580 INFO L225 Difference]: With dead ends: 796 [2018-11-23 03:58:07,580 INFO L226 Difference]: Without dead ends: 793 [2018-11-23 03:58:07,580 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:58:07,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-11-23 03:58:07,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 662. [2018-11-23 03:58:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-11-23 03:58:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 753 transitions. [2018-11-23 03:58:07,607 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 753 transitions. Word has length 93 [2018-11-23 03:58:07,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:07,607 INFO L480 AbstractCegarLoop]: Abstraction has 662 states and 753 transitions. [2018-11-23 03:58:07,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:58:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 753 transitions. [2018-11-23 03:58:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 03:58:07,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:07,611 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:58:07,611 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:07,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:07,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1574363727, now seen corresponding path program 1 times [2018-11-23 03:58:07,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:07,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:07,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:07,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:07,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:07,680 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 03:58:07,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:58:07,681 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:58:07,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 03:58:07,683 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [37], [52], [55], [56], [60], [61], [63], [72], [76], [80], [83], [86], [88], [91], [94], [96], [102], [105], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [166], [167], [173], [177], [183], [217], [223], [226], [228], [231], [241], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [264], [265], [266], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311] [2018-11-23 03:58:07,710 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:58:07,710 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:58:09,348 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:58:09,349 INFO L272 AbstractInterpreter]: Visited 100 different actions 572 times. Merged at 14 different actions 65 times. Never widened. Performed 28216 root evaluator evaluations with a maximum evaluation depth of 3. Performed 28216 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-23 03:58:09,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:09,371 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:58:09,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:58:09,371 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:58:09,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:09,381 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:58:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:09,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:58:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:09,636 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:58:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 03:58:09,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:58:09,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-23 03:58:09,942 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:09,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:58:09,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:58:09,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:58:09,943 INFO L87 Difference]: Start difference. First operand 662 states and 753 transitions. Second operand 3 states. [2018-11-23 03:58:10,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:10,023 INFO L93 Difference]: Finished difference Result 1108 states and 1269 transitions. [2018-11-23 03:58:10,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:58:10,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-23 03:58:10,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:10,026 INFO L225 Difference]: With dead ends: 1108 [2018-11-23 03:58:10,026 INFO L226 Difference]: Without dead ends: 602 [2018-11-23 03:58:10,027 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:58:10,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-11-23 03:58:10,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2018-11-23 03:58:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-11-23 03:58:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 674 transitions. [2018-11-23 03:58:10,067 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 674 transitions. Word has length 152 [2018-11-23 03:58:10,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:10,067 INFO L480 AbstractCegarLoop]: Abstraction has 602 states and 674 transitions. [2018-11-23 03:58:10,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:58:10,067 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 674 transitions. [2018-11-23 03:58:10,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 03:58:10,070 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:10,070 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:10,070 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:10,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:10,070 INFO L82 PathProgramCache]: Analyzing trace with hash -446802025, now seen corresponding path program 1 times [2018-11-23 03:58:10,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:10,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:10,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:10,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:10,072 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:58:10,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:58:10,201 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:58:10,201 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-23 03:58:10,201 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [37], [40], [42], [48], [52], [55], [56], [60], [61], [62], [63], [72], [76], [80], [83], [86], [88], [91], [94], [96], [102], [105], [115], [116], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [166], [167], [170], [173], [177], [183], [212], [216], [217], [223], [226], [228], [231], [238], [241], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [266], [268], [269], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311], [314], [315] [2018-11-23 03:58:10,204 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:58:10,204 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:58:11,845 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:58:11,845 INFO L272 AbstractInterpreter]: Visited 125 different actions 1017 times. Merged at 21 different actions 98 times. Never widened. Performed 42727 root evaluator evaluations with a maximum evaluation depth of 5. Performed 42727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 20 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-23 03:58:11,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:11,850 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:58:11,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:58:11,850 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:58:11,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:11,857 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:58:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:11,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:58:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:58:12,083 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:58:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:58:12,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:58:12,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-23 03:58:12,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:12,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:58:12,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:58:12,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-23 03:58:12,408 INFO L87 Difference]: Start difference. First operand 602 states and 674 transitions. Second operand 9 states. [2018-11-23 03:58:13,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:13,076 INFO L93 Difference]: Finished difference Result 1834 states and 2370 transitions. [2018-11-23 03:58:13,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 03:58:13,076 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-11-23 03:58:13,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:13,080 INFO L225 Difference]: With dead ends: 1834 [2018-11-23 03:58:13,080 INFO L226 Difference]: Without dead ends: 1388 [2018-11-23 03:58:13,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-23 03:58:13,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2018-11-23 03:58:13,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1190. [2018-11-23 03:58:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-11-23 03:58:13,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1411 transitions. [2018-11-23 03:58:13,138 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1411 transitions. Word has length 154 [2018-11-23 03:58:13,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:13,138 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1411 transitions. [2018-11-23 03:58:13,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:58:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1411 transitions. [2018-11-23 03:58:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 03:58:13,140 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:58:13,140 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:58:13,140 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:58:13,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:58:13,141 INFO L82 PathProgramCache]: Analyzing trace with hash -519188583, now seen corresponding path program 1 times [2018-11-23 03:58:13,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:58:13,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:13,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:58:13,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:58:13,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:58:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:58:13,221 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 03:58:13,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:58:13,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 03:58:13,222 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:58:13,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:58:13,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:58:13,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:58:13,222 INFO L87 Difference]: Start difference. First operand 1190 states and 1411 transitions. Second operand 9 states. [2018-11-23 03:58:13,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:58:13,274 INFO L93 Difference]: Finished difference Result 1673 states and 1976 transitions. [2018-11-23 03:58:13,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:58:13,275 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-11-23 03:58:13,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:58:13,276 INFO L225 Difference]: With dead ends: 1673 [2018-11-23 03:58:13,276 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:58:13,278 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:58:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:58:13,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:58:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:58:13,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:58:13,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2018-11-23 03:58:13,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:58:13,278 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:58:13,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:58:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:58:13,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:58:13,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:58:13,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:58:13,820 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-11-23 03:58:15,035 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-11-23 03:58:15,884 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 37 [2018-11-23 03:58:16,007 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 03:58:16,007 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 03:58:16,007 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 03:58:16,007 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 03:58:16,007 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 03:58:16,007 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:58:16,007 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2018-11-23 03:58:16,007 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2018-11-23 03:58:16,007 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:58:16,008 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:58:16,008 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2018-11-23 03:58:16,008 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2018-11-23 03:58:16,008 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-23 03:58:16,008 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:58:16,008 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:58:16,008 INFO L444 ceAbstractionStarter]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:58:16,008 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2018-11-23 03:58:16,008 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2018-11-23 03:58:16,008 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2018-11-23 03:58:16,008 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2018-11-23 03:58:16,008 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2018-11-23 03:58:16,009 INFO L451 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2018-11-23 03:58:16,009 INFO L448 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2018-11-23 03:58:16,009 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2018-11-23 03:58:16,009 INFO L448 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2018-11-23 03:58:16,009 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2018-11-23 03:58:16,009 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 03:58:16,009 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 03:58:16,009 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:58:16,009 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2018-11-23 03:58:16,009 INFO L444 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:58:16,009 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2018-11-23 03:58:16,009 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (< |old(~pumpRunning~0)| 1) (not (= ~systemActive~0 1)) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:58:16,009 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2018-11-23 03:58:16,010 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2018-11-23 03:58:16,010 INFO L444 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4))) [2018-11-23 03:58:16,010 INFO L448 ceAbstractionStarter]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2018-11-23 03:58:16,010 INFO L444 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-23 03:58:16,010 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2018-11-23 03:58:16,010 INFO L444 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0))) [2018-11-23 03:58:16,010 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2 .cse3))) [2018-11-23 03:58:16,010 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2018-11-23 03:58:16,010 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 03:58:16,010 INFO L448 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2018-11-23 03:58:16,011 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2018-11-23 03:58:16,011 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2018-11-23 03:58:16,011 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2018-11-23 03:58:16,011 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2018-11-23 03:58:16,011 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2018-11-23 03:58:16,011 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2018-11-23 03:58:16,011 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2018-11-23 03:58:16,011 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:58:16,011 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2018-11-23 03:58:16,011 INFO L444 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:58:16,011 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2018-11-23 03:58:16,011 INFO L444 ceAbstractionStarter]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:58:16,011 INFO L448 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2018-11-23 03:58:16,012 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:58:16,012 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2018-11-23 03:58:16,012 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:58:16,012 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2018-11-23 03:58:16,012 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2018-11-23 03:58:16,012 INFO L444 ceAbstractionStarter]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:58:16,012 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:58:16,012 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2018-11-23 03:58:16,012 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2018-11-23 03:58:16,012 INFO L448 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2018-11-23 03:58:16,012 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2018-11-23 03:58:16,012 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2018-11-23 03:58:16,013 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2018-11-23 03:58:16,013 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2018-11-23 03:58:16,013 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-11-23 03:58:16,013 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-11-23 03:58:16,013 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-23 03:58:16,013 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2018-11-23 03:58:16,013 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~pumpRunning~0 1)) (.cse4 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1)) .cse6) (or .cse3 .cse4 .cse1 .cse5 .cse6))) [2018-11-23 03:58:16,013 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-11-23 03:58:16,013 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-11-23 03:58:16,013 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2018-11-23 03:58:16,013 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2018-11-23 03:58:16,014 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:58:16,014 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2018-11-23 03:58:16,014 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2018-11-23 03:58:16,014 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2018-11-23 03:58:16,014 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2018-11-23 03:58:16,015 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2018-11-23 03:58:16,015 INFO L451 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: true [2018-11-23 03:58:16,015 INFO L448 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2018-11-23 03:58:16,015 INFO L448 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-11-23 03:58:16,015 INFO L448 ceAbstractionStarter]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2018-11-23 03:58:16,015 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (< ~waterLevel~0 1) .cse2 .cse3) (or .cse2 (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (or .cse0 .cse1) .cse3))) [2018-11-23 03:58:16,015 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2018-11-23 03:58:16,015 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2018-11-23 03:58:16,015 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2018-11-23 03:58:16,015 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2018-11-23 03:58:16,015 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or .cse4 (and (= 1 ~waterLevel~0) .cse5 .cse3) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse6) (or (or .cse4 .cse1) .cse2 (and .cse3 .cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse6))) [2018-11-23 03:58:16,015 INFO L444 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= 0 ~methAndRunningLastTime~0))) (and (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (= 1 ~waterLevel~0) .cse2) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or .cse1 .cse0) .cse3 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 .cse4))))) [2018-11-23 03:58:16,016 INFO L444 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse3) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2018-11-23 03:58:16,016 INFO L448 ceAbstractionStarter]: For program point L341(lines 340 359) no Hoare annotation was computed. [2018-11-23 03:58:16,016 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or .cse0 .cse3) .cse5 (and .cse2 .cse1 .cse6) .cse4) (or .cse7 .cse3 .cse5 (and .cse2 .cse6)) (or .cse7 .cse1 .cse3 .cse5 .cse4))) [2018-11-23 03:58:16,016 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2018-11-23 03:58:16,016 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2018-11-23 03:58:16,016 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2018-11-23 03:58:16,016 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-11-23 03:58:16,016 INFO L451 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2018-11-23 03:58:16,016 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2018-11-23 03:58:16,016 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 03:58:16,016 INFO L451 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2018-11-23 03:58:16,016 INFO L451 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-11-23 03:58:16,016 INFO L448 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-11-23 03:58:16,017 INFO L451 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2018-11-23 03:58:16,017 INFO L448 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-11-23 03:58:16,017 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 03:58:16,017 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2018-11-23 03:58:16,017 INFO L448 ceAbstractionStarter]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2018-11-23 03:58:16,017 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2018-11-23 03:58:16,017 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2018-11-23 03:58:16,017 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:58:16,017 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 03:58:16,017 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:58:16,017 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:58:16,017 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2018-11-23 03:58:16,017 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~pumpRunning~0 1) .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse4) (or (or .cse3 .cse0) .cse1 .cse2 .cse4))) [2018-11-23 03:58:16,017 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2018-11-23 03:58:16,018 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-23 03:58:16,018 INFO L444 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-11-23 03:58:16,018 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2018-11-23 03:58:16,018 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse0 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse0))) [2018-11-23 03:58:16,018 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2018-11-23 03:58:16,018 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-23 03:58:16,018 INFO L448 ceAbstractionStarter]: For program point L375-1(line 375) no Hoare annotation was computed. [2018-11-23 03:58:16,018 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2018-11-23 03:58:16,018 INFO L444 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-23 03:58:16,018 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2018-11-23 03:58:16,019 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2018-11-23 03:58:16,019 INFO L448 ceAbstractionStarter]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2018-11-23 03:58:16,019 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) .cse1 .cse2 .cse3) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-11-23 03:58:16,019 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-11-23 03:58:16,019 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2018-11-23 03:58:16,019 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2018-11-23 03:58:16,019 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2018-11-23 03:58:16,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:58:16 BoogieIcfgContainer [2018-11-23 03:58:16,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:58:16,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:58:16,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:58:16,029 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:58:16,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:04" (3/4) ... [2018-11-23 03:58:16,033 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:58:16,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:58:16,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:58:16,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:58:16,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:58:16,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:58:16,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 03:58:16,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:58:16,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:58:16,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:58:16,044 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 03:58:16,045 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:58:16,045 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:58:16,045 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:58:16,045 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:58:16,046 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:58:16,046 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:58:16,065 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:58:16,065 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:58:16,096 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c0ae783-ab11-4993-ac06-b39fe06f3fbe/bin-2019/utaipan/witness.graphml [2018-11-23 03:58:16,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:58:16,097 INFO L168 Benchmark]: Toolchain (without parser) took 12254.08 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 597.2 MB). Free memory was 956.6 MB in the beginning and 911.6 MB in the end (delta: 45.0 MB). Peak memory consumption was 642.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:58:16,097 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:58:16,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:58:16,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:58:16,098 INFO L168 Benchmark]: Boogie Preprocessor took 30.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:58:16,098 INFO L168 Benchmark]: RCFGBuilder took 402.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:58:16,098 INFO L168 Benchmark]: TraceAbstraction took 11341.50 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 469.2 MB). Free memory was 1.1 GB in the beginning and 926.1 MB in the end (delta: 135.9 MB). Peak memory consumption was 732.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:58:16,098 INFO L168 Benchmark]: Witness Printer took 67.45 ms. Allocated memory is still 1.6 GB. Free memory was 926.1 MB in the beginning and 911.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:58:16,099 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 402.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11341.50 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 469.2 MB). Free memory was 1.1 GB in the beginning and 926.1 MB in the end (delta: 135.9 MB). Peak memory consumption was 732.3 MB. Max. memory is 11.5 GB. * Witness Printer took 67.45 ms. Allocated memory is still 1.6 GB. Free memory was 926.1 MB in the beginning and 911.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 150 locations, 1 error locations. SAFE Result, 11.2s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2128 SDtfs, 1480 SDslu, 4371 SDs, 0 SdLazy, 2068 SolverSat, 582 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 751 GetRequests, 658 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1190occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.3s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 680 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1793 PreInvPairs, 1878 NumberOfFragments, 2045 HoareAnnotationTreeSize, 1793 FomulaSimplifications, 13292 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 11832 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1528 NumberOfCodeBlocks, 1528 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 348537 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1807 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 289/309 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...