./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product58_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_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/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 e8e2fe939766c7a542c760a74550866c5b83d51d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:30:42,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:30:42,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:30:42,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:30:42,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:30:42,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:30:42,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:30:42,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:30:42,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:30:42,301 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:30:42,302 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:30:42,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:30:42,303 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:30:42,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:30:42,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:30:42,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:30:42,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:30:42,306 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:30:42,307 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:30:42,308 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:30:42,309 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:30:42,310 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:30:42,312 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:30:42,312 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:30:42,312 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:30:42,313 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:30:42,313 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:30:42,314 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:30:42,314 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:30:42,315 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:30:42,315 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:30:42,316 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:30:42,316 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:30:42,316 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:30:42,316 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:30:42,317 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:30:42,317 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:30:42,324 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:30:42,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:30:42,325 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:30:42,325 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:30:42,325 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:30:42,325 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:30:42,325 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:30:42,326 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:30:42,326 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:30:42,326 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:30:42,326 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:30:42,326 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:30:42,326 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:30:42,327 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:30:42,327 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:30:42,327 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:30:42,327 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:30:42,327 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:30:42,328 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:30:42,328 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:30:42,328 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:30:42,328 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:30:42,328 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:30:42,328 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:30:42,328 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:30:42,329 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:30:42,329 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:30:42,329 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:30:42,329 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:30:42,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:30:42,329 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:30:42,330 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:30:42,330 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:30:42,330 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:30:42,330 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:30:42,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:30:42,330 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:30:42,330 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_77805093-8a28-42c9-8f7f-cb133e61a913/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 -> e8e2fe939766c7a542c760a74550866c5b83d51d [2018-11-23 15:30:42,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:30:42,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:30:42,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:30:42,367 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:30:42,367 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:30:42,368 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-23 15:30:42,410 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/data/b9dd2dc01/71f34ecedced44138e464fa042d53d77/FLAG7b4d9864e [2018-11-23 15:30:42,855 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:30:42,856 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-23 15:30:42,867 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/data/b9dd2dc01/71f34ecedced44138e464fa042d53d77/FLAG7b4d9864e [2018-11-23 15:30:42,880 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/data/b9dd2dc01/71f34ecedced44138e464fa042d53d77 [2018-11-23 15:30:42,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:30:42,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:30:42,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:30:42,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:30:42,888 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:30:42,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:42" (1/1) ... [2018-11-23 15:30:42,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:42, skipping insertion in model container [2018-11-23 15:30:42,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:42" (1/1) ... [2018-11-23 15:30:42,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:30:42,933 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:30:43,132 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:30:43,141 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:30:43,235 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:30:43,257 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:30:43,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43 WrapperNode [2018-11-23 15:30:43,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:30:43,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:30:43,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:30:43,258 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:30:43,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2018-11-23 15:30:43,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2018-11-23 15:30:43,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:30:43,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:30:43,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:30:43,279 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:30:43,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2018-11-23 15:30:43,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2018-11-23 15:30:43,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2018-11-23 15:30:43,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2018-11-23 15:30:43,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2018-11-23 15:30:43,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2018-11-23 15:30:43,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2018-11-23 15:30:43,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:30:43,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:30:43,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:30:43,309 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:30:43,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/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 15:30:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 15:30:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 15:30:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:30:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:30:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 15:30:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 15:30:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:30:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 15:30:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 15:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 15:30:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 15:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 15:30:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 15:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 15:30:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 15:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 15:30:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 15:30:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 15:30:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 15:30:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 15:30:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 15:30:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 15:30:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 15:30:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 15:30:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 15:30:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 15:30:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 15:30:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 15:30:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 15:30:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 15:30:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 15:30:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 15:30:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 15:30:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 15:30:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 15:30:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 15:30:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 15:30:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 15:30:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 15:30:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 15:30:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 15:30:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 15:30:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 15:30:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 15:30:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 15:30:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 15:30:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 15:30:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 15:30:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 15:30:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 15:30:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 15:30:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 15:30:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 15:30:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 15:30:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 15:30:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 15:30:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 15:30:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 15:30:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 15:30:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 15:30:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:30:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:30:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 15:30:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 15:30:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 15:30:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 15:30:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:30:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:30:43,727 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:30:43,728 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 15:30:43,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:43 BoogieIcfgContainer [2018-11-23 15:30:43,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:30:43,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:30:43,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:30:43,732 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:30:43,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:30:42" (1/3) ... [2018-11-23 15:30:43,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fffb9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:43, skipping insertion in model container [2018-11-23 15:30:43,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (2/3) ... [2018-11-23 15:30:43,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fffb9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:43, skipping insertion in model container [2018-11-23 15:30:43,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:43" (3/3) ... [2018-11-23 15:30:43,734 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-23 15:30:43,741 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:30:43,746 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:30:43,756 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:30:43,778 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:30:43,779 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:30:43,779 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:30:43,779 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:30:43,779 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:30:43,779 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:30:43,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:30:43,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:30:43,793 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2018-11-23 15:30:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 15:30:43,800 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:43,801 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:43,803 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:43,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:43,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1027884273, now seen corresponding path program 1 times [2018-11-23 15:30:43,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:43,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:43,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:43,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:43,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:30:44,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:30:44,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:30:44,004 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:44,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 15:30:44,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 15:30:44,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:30:44,023 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2018-11-23 15:30:44,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:44,055 INFO L93 Difference]: Finished difference Result 310 states and 377 transitions. [2018-11-23 15:30:44,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:30:44,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 15:30:44,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:44,064 INFO L225 Difference]: With dead ends: 310 [2018-11-23 15:30:44,064 INFO L226 Difference]: Without dead ends: 157 [2018-11-23 15:30:44,066 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 15:30:44,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-23 15:30:44,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-23 15:30:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-23 15:30:44,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2018-11-23 15:30:44,102 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2018-11-23 15:30:44,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:44,102 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2018-11-23 15:30:44,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 15:30:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2018-11-23 15:30:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 15:30:44,104 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:44,104 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:44,105 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:44,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:44,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1351629168, now seen corresponding path program 1 times [2018-11-23 15:30:44,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:44,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:44,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:44,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:44,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:30:44,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:30:44,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:30:44,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:44,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:30:44,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:30:44,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:30:44,192 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 3 states. [2018-11-23 15:30:44,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:44,227 INFO L93 Difference]: Finished difference Result 255 states and 295 transitions. [2018-11-23 15:30:44,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:30:44,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 15:30:44,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:44,230 INFO L225 Difference]: With dead ends: 255 [2018-11-23 15:30:44,230 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 15:30:44,232 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 15:30:44,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 15:30:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-23 15:30:44,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-23 15:30:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions. [2018-11-23 15:30:44,243 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 60 [2018-11-23 15:30:44,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:44,244 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 170 transitions. [2018-11-23 15:30:44,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:30:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2018-11-23 15:30:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 15:30:44,246 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:44,246 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:44,246 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:44,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1448576393, now seen corresponding path program 1 times [2018-11-23 15:30:44,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:44,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:44,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:44,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:44,247 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:30:44,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:30:44,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:30:44,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:44,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:30:44,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:30:44,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:30:44,364 INFO L87 Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 7 states. [2018-11-23 15:30:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:44,626 INFO L93 Difference]: Finished difference Result 268 states and 313 transitions. [2018-11-23 15:30:44,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:30:44,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 15:30:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:44,628 INFO L225 Difference]: With dead ends: 268 [2018-11-23 15:30:44,628 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 15:30:44,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:30:44,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 15:30:44,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-23 15:30:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-23 15:30:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions. [2018-11-23 15:30:44,643 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 65 [2018-11-23 15:30:44,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:44,645 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 169 transitions. [2018-11-23 15:30:44,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:30:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2018-11-23 15:30:44,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 15:30:44,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:44,648 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:44,648 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:44,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:44,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1220934222, now seen corresponding path program 1 times [2018-11-23 15:30:44,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:44,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:44,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:44,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:44,650 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:30:44,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:30:44,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:30:44,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:44,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:30:44,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:30:44,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:30:44,742 INFO L87 Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 5 states. [2018-11-23 15:30:45,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:45,107 INFO L93 Difference]: Finished difference Result 376 states and 449 transitions. [2018-11-23 15:30:45,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:30:45,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-23 15:30:45,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:45,110 INFO L225 Difference]: With dead ends: 376 [2018-11-23 15:30:45,110 INFO L226 Difference]: Without dead ends: 256 [2018-11-23 15:30:45,111 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 15:30:45,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-23 15:30:45,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 237. [2018-11-23 15:30:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-11-23 15:30:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 270 transitions. [2018-11-23 15:30:45,132 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 270 transitions. Word has length 78 [2018-11-23 15:30:45,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:45,132 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 270 transitions. [2018-11-23 15:30:45,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:30:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 270 transitions. [2018-11-23 15:30:45,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 15:30:45,134 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:45,134 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:45,135 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:45,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:45,135 INFO L82 PathProgramCache]: Analyzing trace with hash -324045848, now seen corresponding path program 1 times [2018-11-23 15:30:45,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:45,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:45,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,136 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:30:45,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:30:45,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:30:45,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:45,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:30:45,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:30:45,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:30:45,210 INFO L87 Difference]: Start difference. First operand 237 states and 270 transitions. Second operand 7 states. [2018-11-23 15:30:45,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:45,571 INFO L93 Difference]: Finished difference Result 464 states and 545 transitions. [2018-11-23 15:30:45,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 15:30:45,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-23 15:30:45,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:45,577 INFO L225 Difference]: With dead ends: 464 [2018-11-23 15:30:45,577 INFO L226 Difference]: Without dead ends: 255 [2018-11-23 15:30:45,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:30:45,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-11-23 15:30:45,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 236. [2018-11-23 15:30:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-23 15:30:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 267 transitions. [2018-11-23 15:30:45,593 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 267 transitions. Word has length 92 [2018-11-23 15:30:45,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:45,595 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 267 transitions. [2018-11-23 15:30:45,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:30:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 267 transitions. [2018-11-23 15:30:45,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 15:30:45,596 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:45,596 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:45,596 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:45,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:45,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1451774325, now seen corresponding path program 1 times [2018-11-23 15:30:45,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:45,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:45,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:30:45,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:30:45,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:30:45,664 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:45,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:30:45,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:30:45,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:30:45,665 INFO L87 Difference]: Start difference. First operand 236 states and 267 transitions. Second operand 6 states. [2018-11-23 15:30:45,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:45,689 INFO L93 Difference]: Finished difference Result 451 states and 522 transitions. [2018-11-23 15:30:45,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:30:45,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-23 15:30:45,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:45,691 INFO L225 Difference]: With dead ends: 451 [2018-11-23 15:30:45,691 INFO L226 Difference]: Without dead ends: 243 [2018-11-23 15:30:45,692 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 15:30:45,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-23 15:30:45,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2018-11-23 15:30:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-11-23 15:30:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2018-11-23 15:30:45,705 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 108 [2018-11-23 15:30:45,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:45,705 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2018-11-23 15:30:45,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:30:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2018-11-23 15:30:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 15:30:45,707 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:45,707 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:45,707 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:45,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:45,708 INFO L82 PathProgramCache]: Analyzing trace with hash 476498377, now seen corresponding path program 1 times [2018-11-23 15:30:45,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:45,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:45,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,709 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:30:45,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:30:45,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 15:30:45,790 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:45,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:30:45,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:30:45,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:30:45,790 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand 8 states. [2018-11-23 15:30:45,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:45,812 INFO L93 Difference]: Finished difference Result 461 states and 533 transitions. [2018-11-23 15:30:45,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:30:45,812 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-23 15:30:45,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:45,814 INFO L225 Difference]: With dead ends: 461 [2018-11-23 15:30:45,814 INFO L226 Difference]: Without dead ends: 248 [2018-11-23 15:30:45,814 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 15:30:45,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-11-23 15:30:45,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2018-11-23 15:30:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-23 15:30:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 276 transitions. [2018-11-23 15:30:45,827 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 276 transitions. Word has length 108 [2018-11-23 15:30:45,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:45,827 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 276 transitions. [2018-11-23 15:30:45,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:30:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 276 transitions. [2018-11-23 15:30:45,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 15:30:45,829 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:45,829 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:45,829 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:45,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:45,829 INFO L82 PathProgramCache]: Analyzing trace with hash 235958248, now seen corresponding path program 1 times [2018-11-23 15:30:45,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:45,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:45,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:45,830 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:30:45,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:30:45,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:30:45,897 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:45,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:30:45,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:30:45,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:30:45,898 INFO L87 Difference]: Start difference. First operand 245 states and 276 transitions. Second operand 4 states. [2018-11-23 15:30:46,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:46,029 INFO L93 Difference]: Finished difference Result 701 states and 827 transitions. [2018-11-23 15:30:46,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:30:46,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-23 15:30:46,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:46,032 INFO L225 Difference]: With dead ends: 701 [2018-11-23 15:30:46,032 INFO L226 Difference]: Without dead ends: 484 [2018-11-23 15:30:46,033 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 15:30:46,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-11-23 15:30:46,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 475. [2018-11-23 15:30:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2018-11-23 15:30:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 550 transitions. [2018-11-23 15:30:46,053 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 550 transitions. Word has length 108 [2018-11-23 15:30:46,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:46,054 INFO L480 AbstractCegarLoop]: Abstraction has 475 states and 550 transitions. [2018-11-23 15:30:46,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:30:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 550 transitions. [2018-11-23 15:30:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 15:30:46,056 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:46,056 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:46,056 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:46,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:46,056 INFO L82 PathProgramCache]: Analyzing trace with hash -170220190, now seen corresponding path program 1 times [2018-11-23 15:30:46,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:46,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:46,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:46,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:46,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:30:46,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:30:46,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 15:30:46,162 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:46,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:30:46,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:30:46,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:30:46,163 INFO L87 Difference]: Start difference. First operand 475 states and 550 transitions. Second operand 9 states. [2018-11-23 15:30:46,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:46,780 INFO L93 Difference]: Finished difference Result 1254 states and 1515 transitions. [2018-11-23 15:30:46,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 15:30:46,782 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-11-23 15:30:46,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:46,786 INFO L225 Difference]: With dead ends: 1254 [2018-11-23 15:30:46,786 INFO L226 Difference]: Without dead ends: 879 [2018-11-23 15:30:46,788 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 15:30:46,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2018-11-23 15:30:46,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 798. [2018-11-23 15:30:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-11-23 15:30:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 913 transitions. [2018-11-23 15:30:46,838 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 913 transitions. Word has length 112 [2018-11-23 15:30:46,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:46,839 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 913 transitions. [2018-11-23 15:30:46,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:30:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 913 transitions. [2018-11-23 15:30:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 15:30:46,841 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:46,841 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:30:46,841 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:46,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:46,842 INFO L82 PathProgramCache]: Analyzing trace with hash -344611462, now seen corresponding path program 1 times [2018-11-23 15:30:46,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:46,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:46,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:46,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:46,845 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:47,017 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:30:47,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:30:47,017 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:30:47,019 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-23 15:30:47,021 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [71], [74], [76], [82], [86], [89], [90], [94], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [136], [139], [149], [150], [151], [152], [153], [154], [155], [157], [162], [165], [166], [168], [173], [175], [176], [177], [178], [189], [192], [196], [202], [229], [230], [233], [237], [238], [242], [245], [247], [250], [257], [260], [265], [269], [270], [273], [274], [275], [276], [277], [278], [279], [281], [282], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [297], [298], [299], [300], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [330], [335], [336], [337], [339], [340], [341], [342], [345], [346] [2018-11-23 15:30:47,053 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:30:47,053 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:30:48,510 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:30:48,511 INFO L272 AbstractInterpreter]: Visited 141 different actions 643 times. Merged at 16 different actions 46 times. Never widened. Performed 20843 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20843 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-23 15:30:48,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:48,527 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:30:48,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:30:48,527 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/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 15:30:48,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:48,540 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:30:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:48,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:30:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:30:48,788 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:30:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:30:49,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 15:30:49,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 15:30:49,060 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 15:30:49,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 15:30:49,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 15:30:49,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 15:30:49,061 INFO L87 Difference]: Start difference. First operand 798 states and 913 transitions. Second operand 16 states. [2018-11-23 15:30:49,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:49,771 INFO L93 Difference]: Finished difference Result 1808 states and 2145 transitions. [2018-11-23 15:30:49,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 15:30:49,772 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2018-11-23 15:30:49,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:49,776 INFO L225 Difference]: With dead ends: 1808 [2018-11-23 15:30:49,776 INFO L226 Difference]: Without dead ends: 1108 [2018-11-23 15:30:49,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 340 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 15:30:49,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2018-11-23 15:30:49,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 964. [2018-11-23 15:30:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2018-11-23 15:30:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1113 transitions. [2018-11-23 15:30:49,816 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1113 transitions. Word has length 174 [2018-11-23 15:30:49,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:49,817 INFO L480 AbstractCegarLoop]: Abstraction has 964 states and 1113 transitions. [2018-11-23 15:30:49,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 15:30:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1113 transitions. [2018-11-23 15:30:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-23 15:30:49,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:49,821 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 15:30:49,822 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:49,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:49,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1489857951, now seen corresponding path program 1 times [2018-11-23 15:30:49,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:49,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:49,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:49,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:49,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 97 proven. 16 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-23 15:30:49,985 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:30:49,985 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:30:49,985 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-11-23 15:30:49,985 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [94], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [136], [139], [149], [150], [151], [152], [153], [154], [155], [157], [162], [165], [166], [168], [173], [175], [176], [177], [178], [189], [192], [196], [202], [229], [230], [233], [237], [238], [242], [245], [247], [250], [257], [260], [265], [269], [270], [273], [274], [275], [276], [277], [278], [279], [281], [282], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [330], [335], [336], [337], [339], [340], [341], [342], [345], [346] [2018-11-23 15:30:49,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:30:49,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:30:51,265 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:30:51,265 INFO L272 AbstractInterpreter]: Visited 146 different actions 805 times. Merged at 20 different actions 75 times. Never widened. Performed 29575 root evaluator evaluations with a maximum evaluation depth of 5. Performed 29575 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 13 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-23 15:30:51,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:51,282 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:30:51,282 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:30:51,282 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/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 15:30:51,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:51,295 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:30:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:51,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:30:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 15:30:51,584 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:30:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-23 15:30:52,054 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 15:30:52,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-23 15:30:52,054 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 15:30:52,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 15:30:52,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 15:30:52,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-23 15:30:52,055 INFO L87 Difference]: Start difference. First operand 964 states and 1113 transitions. Second operand 18 states. [2018-11-23 15:30:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:53,649 INFO L93 Difference]: Finished difference Result 2567 states and 3132 transitions. [2018-11-23 15:30:53,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 15:30:53,650 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 307 [2018-11-23 15:30:53,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:53,654 INFO L225 Difference]: With dead ends: 2567 [2018-11-23 15:30:53,654 INFO L226 Difference]: Without dead ends: 1395 [2018-11-23 15:30:53,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 602 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 15:30:53,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2018-11-23 15:30:53,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1277. [2018-11-23 15:30:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2018-11-23 15:30:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1458 transitions. [2018-11-23 15:30:53,760 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1458 transitions. Word has length 307 [2018-11-23 15:30:53,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:53,760 INFO L480 AbstractCegarLoop]: Abstraction has 1277 states and 1458 transitions. [2018-11-23 15:30:53,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 15:30:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1458 transitions. [2018-11-23 15:30:53,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-23 15:30:53,765 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:30:53,766 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:30:53,766 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:30:53,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:53,766 INFO L82 PathProgramCache]: Analyzing trace with hash 405761917, now seen corresponding path program 1 times [2018-11-23 15:30:53,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:30:53,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:53,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:53,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:30:53,767 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:30:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-11-23 15:30:53,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:30:53,883 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:30:53,883 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 393 with the following transitions: [2018-11-23 15:30:53,884 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [57], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [93], [94], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [136], [139], [149], [150], [151], [152], [153], [154], [155], [157], [162], [165], [166], [168], [171], [173], [175], [176], [177], [178], [189], [192], [196], [202], [229], [230], [233], [237], [238], [242], [245], [247], [250], [253], [257], [260], [265], [269], [270], [273], [274], [275], [276], [277], [278], [279], [281], [282], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [330], [335], [336], [337], [339], [340], [341], [342], [343], [344], [345], [346] [2018-11-23 15:30:53,886 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:30:53,886 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:30:56,170 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:30:56,171 INFO L272 AbstractInterpreter]: Visited 153 different actions 1770 times. Merged at 39 different actions 379 times. Widened at 1 different actions 2 times. Performed 62451 root evaluator evaluations with a maximum evaluation depth of 5. Performed 62451 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 77 fixpoints after 9 different actions. Largest state had 135 variables. [2018-11-23 15:30:56,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:30:56,178 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:30:56,178 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:30:56,178 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:30:56,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:30:56,184 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:30:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:30:56,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:30:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-11-23 15:30:56,376 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:30:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-11-23 15:30:56,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:30:56,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-23 15:30:56,690 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:30:56,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:30:56,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:30:56,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:30:56,690 INFO L87 Difference]: Start difference. First operand 1277 states and 1458 transitions. Second operand 6 states. [2018-11-23 15:30:56,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:30:56,741 INFO L93 Difference]: Finished difference Result 1560 states and 1771 transitions. [2018-11-23 15:30:56,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:30:56,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 392 [2018-11-23 15:30:56,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:30:56,742 INFO L225 Difference]: With dead ends: 1560 [2018-11-23 15:30:56,742 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:30:56,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 795 GetRequests, 779 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-23 15:30:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:30:56,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:30:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:30:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:30:56,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2018-11-23 15:30:56,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:30:56,746 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:30:56,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:30:56,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:30:56,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:30:56,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:30:56,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:56,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:57,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:57,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:57,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:57,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:57,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:57,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:57,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:30:57,749 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-23 15:30:57,924 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-23 15:30:59,051 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-23 15:30:59,200 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2018-11-23 15:30:59,201 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2018-11-23 15:30:59,201 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2018-11-23 15:30:59,201 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2018-11-23 15:30:59,201 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2018-11-23 15:30:59,201 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 154 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 15:30:59,201 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 154 161) no Hoare annotation was computed. [2018-11-23 15:30:59,201 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 154 161) no Hoare annotation was computed. [2018-11-23 15:30:59,201 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 162 171) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-23 15:30:59,201 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 162 171) no Hoare annotation was computed. [2018-11-23 15:30:59,201 INFO L448 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2018-11-23 15:30:59,201 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 162 171) no Hoare annotation was computed. [2018-11-23 15:30:59,202 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-23 15:30:59,202 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2018-11-23 15:30:59,202 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2018-11-23 15:30:59,202 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse4) (or .cse3 .cse2 .cse0 .cse5 .cse4) (or .cse2 .cse0 .cse5 .cse1))) [2018-11-23 15:30:59,202 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-23 15:30:59,202 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 197) no Hoare annotation was computed. [2018-11-23 15:30:59,202 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 172 200) no Hoare annotation was computed. [2018-11-23 15:30:59,202 INFO L451 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: true [2018-11-23 15:30:59,202 INFO L448 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2018-11-23 15:30:59,202 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 172 200) the Hoare annotation is: true [2018-11-23 15:30:59,202 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 172 200) no Hoare annotation was computed. [2018-11-23 15:30:59,203 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,203 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2018-11-23 15:30:59,203 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,203 INFO L444 ceAbstractionStarter]: At program point L659-1(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,203 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2018-11-23 15:30:59,203 INFO L448 ceAbstractionStarter]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2018-11-23 15:30:59,203 INFO L448 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2018-11-23 15:30:59,203 INFO L444 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,203 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,203 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2018-11-23 15:30:59,203 INFO L444 ceAbstractionStarter]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,203 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2018-11-23 15:30:59,203 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2018-11-23 15:30:59,203 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2018-11-23 15:30:59,203 INFO L448 ceAbstractionStarter]: For program point L957(lines 957 961) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L451 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: true [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point L955-1(line 955) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 948 966) the Hoare annotation is: true [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 948 966) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 948 966) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2018-11-23 15:30:59,204 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 633 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,204 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 633 643) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 633 643) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2018-11-23 15:30:59,204 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2018-11-23 15:30:59,204 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2018-11-23 15:30:59,205 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-23 15:30:59,205 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2018-11-23 15:30:59,205 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2018-11-23 15:30:59,205 INFO L444 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 15:30:59,205 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2018-11-23 15:30:59,205 INFO L444 ceAbstractionStarter]: At program point L828(line 828) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-23 15:30:59,205 INFO L444 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (and (<= 1 processEnvironment_~tmp~7) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3))) [2018-11-23 15:30:59,205 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 814 838) no Hoare annotation was computed. [2018-11-23 15:30:59,205 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 830) no Hoare annotation was computed. [2018-11-23 15:30:59,206 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 15:30:59,206 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 814 838) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-23 15:30:59,206 INFO L448 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2018-11-23 15:30:59,206 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 835) no Hoare annotation was computed. [2018-11-23 15:30:59,206 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-23 15:30:59,206 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-23 15:30:59,206 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-23 15:30:59,206 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-23 15:30:59,206 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2018-11-23 15:30:59,207 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2018-11-23 15:30:59,207 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,207 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2018-11-23 15:30:59,207 INFO L444 ceAbstractionStarter]: At program point L729-2(lines 721 734) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-23 15:30:59,207 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2018-11-23 15:30:59,207 INFO L448 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2018-11-23 15:30:59,207 INFO L444 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-23 15:30:59,207 INFO L448 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2018-11-23 15:30:59,208 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-23 15:30:59,208 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2018-11-23 15:30:59,208 INFO L448 ceAbstractionStarter]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2018-11-23 15:30:59,208 INFO L444 ceAbstractionStarter]: At program point L736(lines 691 738) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 15:30:59,208 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-23 15:30:59,208 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2018-11-23 15:30:59,208 INFO L448 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2018-11-23 15:30:59,208 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2018-11-23 15:30:59,208 INFO L444 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 15:30:59,208 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2018-11-23 15:30:59,209 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 839 846) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 839 846) no Hoare annotation was computed. [2018-11-23 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 839 846) no Hoare annotation was computed. [2018-11-23 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-23 15:30:59,209 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-23 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-23 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:30:59,209 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 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 848 864) no Hoare annotation was computed. [2018-11-23 15:30:59,209 INFO L444 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 848 864) no Hoare annotation was computed. [2018-11-23 15:30:59,209 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 848 864) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2018-11-23 15:30:59,209 INFO L444 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 15:30:59,209 INFO L448 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L448 ceAbstractionStarter]: For program point L938(lines 938 942) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L451 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: true [2018-11-23 15:30:59,210 INFO L448 ceAbstractionStarter]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L448 ceAbstractionStarter]: For program point L936-1(line 936) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2018-11-23 15:30:59,210 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-11-23 15:30:59,210 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2018-11-23 15:30:59,210 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-23 15:30:59,210 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-23 15:30:59,210 INFO L444 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-23 15:30:59,211 INFO L444 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 15:30:59,211 INFO L448 ceAbstractionStarter]: For program point L760(lines 756 778) no Hoare annotation was computed. [2018-11-23 15:30:59,211 INFO L448 ceAbstractionStarter]: For program point L758(lines 756 778) no Hoare annotation was computed. [2018-11-23 15:30:59,211 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 753 779) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-23 15:30:59,211 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 753 779) no Hoare annotation was computed. [2018-11-23 15:30:59,211 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 753 779) no Hoare annotation was computed. [2018-11-23 15:30:59,211 INFO L451 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: true [2018-11-23 15:30:59,211 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 570 599) no Hoare annotation was computed. [2018-11-23 15:30:59,211 INFO L448 ceAbstractionStarter]: For program point L576-1(line 576) no Hoare annotation was computed. [2018-11-23 15:30:59,211 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 570 599) the Hoare annotation is: true [2018-11-23 15:30:59,212 INFO L451 ceAbstractionStarter]: At program point L595(lines 570 599) the Hoare annotation is: true [2018-11-23 15:30:59,212 INFO L448 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2018-11-23 15:30:59,212 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-11-23 15:30:59,212 INFO L451 ceAbstractionStarter]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2018-11-23 15:30:59,212 INFO L448 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2018-11-23 15:30:59,212 INFO L451 ceAbstractionStarter]: At program point L580-2(lines 580 594) the Hoare annotation is: true [2018-11-23 15:30:59,212 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-23 15:30:59,213 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-23 15:30:59,213 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-23 15:30:59,213 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 15:30:59,213 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-23 15:30:59,213 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-23 15:30:59,213 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 625 631) no Hoare annotation was computed. [2018-11-23 15:30:59,213 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 625 631) the Hoare annotation is: true [2018-11-23 15:30:59,213 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:30:59,213 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 15:30:59,213 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:30:59,213 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:30:59,214 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 15:30:59,214 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-23 15:30:59,214 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2018-11-23 15:30:59,214 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812) no Hoare annotation was computed. [2018-11-23 15:30:59,214 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 15:30:59,214 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-23 15:30:59,214 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2018-11-23 15:30:59,214 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 15:30:59,215 INFO L448 ceAbstractionStarter]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2018-11-23 15:30:59,215 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse0 .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 15:30:59,215 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2018-11-23 15:30:59,215 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or (or (or .cse1 .cse2) (not (= 1 ~pumpRunning~0))) .cse3))) [2018-11-23 15:30:59,215 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2018-11-23 15:30:59,215 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-23 15:30:59,215 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-23 15:30:59,215 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-23 15:30:59,216 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2018-11-23 15:30:59,216 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 671 678) no Hoare annotation was computed. [2018-11-23 15:30:59,216 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 671 678) the Hoare annotation is: true [2018-11-23 15:30:59,216 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 671 678) no Hoare annotation was computed. [2018-11-23 15:30:59,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:30:59 BoogieIcfgContainer [2018-11-23 15:30:59,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:30:59,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:30:59,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:30:59,230 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:30:59,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:43" (3/4) ... [2018-11-23 15:30:59,233 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:30:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 15:30:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 15:30:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 15:30:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 15:30:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 15:30:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:30:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 15:30:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 15:30:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 15:30:59,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 15:30:59,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 15:30:59,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 15:30:59,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 15:30:59,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 15:30:59,251 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 15:30:59,252 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 15:30:59,252 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 15:30:59,252 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 15:30:59,252 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:30:59,252 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:30:59,253 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:30:59,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-23 15:30:59,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 15:30:59,303 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_77805093-8a28-42c9-8f7f-cb133e61a913/bin-2019/utaipan/witness.graphml [2018-11-23 15:30:59,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:30:59,304 INFO L168 Benchmark]: Toolchain (without parser) took 16420.92 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 956.6 MB in the beginning and 922.4 MB in the end (delta: 34.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 15:30:59,305 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:30:59,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:30:59,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.46 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 15:30:59,305 INFO L168 Benchmark]: Boogie Preprocessor took 30.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:30:59,305 INFO L168 Benchmark]: RCFGBuilder took 419.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:30:59,306 INFO L168 Benchmark]: TraceAbstraction took 15498.22 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 922.4 MB in the end (delta: 139.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 15:30:59,306 INFO L168 Benchmark]: Witness Printer took 76.13 ms. Allocated memory is still 2.2 GB. Free memory is still 922.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:30:59,307 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.46 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 30.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 419.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15498.22 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 922.4 MB in the end (delta: 139.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 76.13 ms. Allocated memory is still 2.2 GB. Free memory is still 922.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: 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: 690]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 170 locations, 1 error locations. SAFE Result, 15.4s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2490 SDtfs, 2408 SDslu, 7457 SDs, 0 SdLazy, 5769 SolverSat, 1213 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1936 GetRequests, 1768 SyntacticMatches, 21 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.0s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 395 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1939 PreInvPairs, 2021 NumberOfFragments, 1830 HoareAnnotationTreeSize, 1939 FomulaSimplifications, 12127 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14428 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2536 NumberOfCodeBlocks, 2536 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3391 ConstructedInterpolants, 0 QuantifiedInterpolants, 1176816 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3735 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2605/2718 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...