./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56_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_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/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 210feffc8ddd7d7862cfab969b7a82589a978274 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:59:04,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:59:04,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:59:04,477 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:59:04,477 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:59:04,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:59:04,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:59:04,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:59:04,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:59:04,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:59:04,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:59:04,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:59:04,483 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:59:04,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:59:04,484 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:59:04,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:59:04,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:59:04,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:59:04,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:59:04,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:59:04,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:59:04,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:59:04,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:59:04,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:59:04,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:59:04,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:59:04,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:59:04,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:59:04,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:59:04,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:59:04,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:59:04,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:59:04,494 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:59:04,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:59:04,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:59:04,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:59:04,495 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:59:04,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:59:04,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:59:04,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:59:04,504 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:59:04,504 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:59:04,504 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:59:04,504 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:59:04,504 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:59:04,504 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:59:04,504 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:59:04,505 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:59:04,505 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:59:04,505 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:59:04,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:59:04,506 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:59:04,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:59:04,506 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:59:04,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:59:04,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:59:04,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:59:04,506 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:59:04,507 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:59:04,507 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:59:04,507 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:59:04,507 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:59:04,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:59:04,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:59:04,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:59:04,508 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:59:04,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:59:04,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:59:04,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:59:04,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:59:04,508 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:59:04,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:59:04,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:59:04,509 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:59:04,509 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_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/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 -> 210feffc8ddd7d7862cfab969b7a82589a978274 [2018-11-23 03:59:04,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:59:04,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:59:04,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:59:04,546 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:59:04,546 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:59:04,547 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-23 03:59:04,589 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/data/e51f01dca/5f9d615efd964697a2a393c046844d47/FLAGb522f1684 [2018-11-23 03:59:04,945 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:59:04,946 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-23 03:59:04,955 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/data/e51f01dca/5f9d615efd964697a2a393c046844d47/FLAGb522f1684 [2018-11-23 03:59:04,967 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/data/e51f01dca/5f9d615efd964697a2a393c046844d47 [2018-11-23 03:59:04,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:59:04,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:59:04,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:59:04,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:59:04,975 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:59:04,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:04" (1/1) ... [2018-11-23 03:59:04,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d722fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04, skipping insertion in model container [2018-11-23 03:59:04,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:04" (1/1) ... [2018-11-23 03:59:04,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:59:05,017 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:59:05,218 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:59:05,225 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:59:05,331 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:59:05,349 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:59:05,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05 WrapperNode [2018-11-23 03:59:05,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:59:05,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:59:05,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:59:05,351 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:59:05,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2018-11-23 03:59:05,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2018-11-23 03:59:05,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:59:05,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:59:05,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:59:05,376 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:59:05,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2018-11-23 03:59:05,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2018-11-23 03:59:05,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2018-11-23 03:59:05,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2018-11-23 03:59:05,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2018-11-23 03:59:05,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2018-11-23 03:59:05,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2018-11-23 03:59:05,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:59:05,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:59:05,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:59:05,407 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:59:05,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:59:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:59:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:59:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:59:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:59:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:59:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:59:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 03:59:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 03:59:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 03:59:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 03:59:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:59:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:59:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:59:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 03:59:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 03:59:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:59:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:59:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:59:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:59:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:59:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:59:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 03:59:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 03:59:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 03:59:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 03:59:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 03:59:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 03:59:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 03:59:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 03:59:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:59:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:59:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:59:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:59:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:59:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:59:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:59:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:59:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 03:59:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 03:59:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:59:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:59:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:59:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:59:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:59:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:59:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 03:59:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 03:59:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:59:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:59:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:59:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:59:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:59:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:59:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:59:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:59:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:59:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:59:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:59:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:59:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:59:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:59:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:59:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:59:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:59:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:59:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:59:05,865 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:59:05,865 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:59:05,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:05 BoogieIcfgContainer [2018-11-23 03:59:05,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:59:05,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:59:05,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:59:05,869 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:59:05,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:59:04" (1/3) ... [2018-11-23 03:59:05,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39305389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:59:05, skipping insertion in model container [2018-11-23 03:59:05,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (2/3) ... [2018-11-23 03:59:05,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39305389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:59:05, skipping insertion in model container [2018-11-23 03:59:05,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:05" (3/3) ... [2018-11-23 03:59:05,871 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-23 03:59:05,880 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:59:05,886 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:59:05,899 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:59:05,926 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:59:05,926 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:59:05,926 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:59:05,926 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:59:05,927 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:59:05,927 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:59:05,927 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:59:05,927 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:59:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-11-23 03:59:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 03:59:05,948 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:05,949 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:59:05,951 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:05,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:05,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1126698558, now seen corresponding path program 1 times [2018-11-23 03:59:05,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:05,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:05,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:05,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:05,989 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:59:06,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:59:06,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:59:06,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:59:06,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:59:06,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:59:06,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:59:06,142 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-11-23 03:59:06,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:06,175 INFO L93 Difference]: Finished difference Result 312 states and 385 transitions. [2018-11-23 03:59:06,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:59:06,176 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 03:59:06,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:06,187 INFO L225 Difference]: With dead ends: 312 [2018-11-23 03:59:06,187 INFO L226 Difference]: Without dead ends: 156 [2018-11-23 03:59:06,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:59:06,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-23 03:59:06,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-23 03:59:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-23 03:59:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2018-11-23 03:59:06,237 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 46 [2018-11-23 03:59:06,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:06,237 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2018-11-23 03:59:06,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:59:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2018-11-23 03:59:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 03:59:06,240 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:06,240 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:59:06,240 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:06,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:06,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1204614485, now seen corresponding path program 1 times [2018-11-23 03:59:06,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:06,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:06,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:06,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:06,242 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:06,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:59:06,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:59:06,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:59:06,312 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:59:06,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:59:06,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:59:06,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:59:06,314 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 3 states. [2018-11-23 03:59:06,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:06,333 INFO L93 Difference]: Finished difference Result 251 states and 295 transitions. [2018-11-23 03:59:06,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:59:06,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 03:59:06,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:06,336 INFO L225 Difference]: With dead ends: 251 [2018-11-23 03:59:06,336 INFO L226 Difference]: Without dead ends: 147 [2018-11-23 03:59:06,337 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:59:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-23 03:59:06,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-23 03:59:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-23 03:59:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2018-11-23 03:59:06,349 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 47 [2018-11-23 03:59:06,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:06,349 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2018-11-23 03:59:06,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:59:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2018-11-23 03:59:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:59:06,351 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:06,351 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:59:06,351 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:06,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:06,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2096458553, now seen corresponding path program 1 times [2018-11-23 03:59:06,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:06,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:06,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:06,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:06,352 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:59:06,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:59:06,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:59:06,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:59:06,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:59:06,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:59:06,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:59:06,453 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2018-11-23 03:59:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:06,792 INFO L93 Difference]: Finished difference Result 443 states and 536 transitions. [2018-11-23 03:59:06,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:59:06,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 03:59:06,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:06,795 INFO L225 Difference]: With dead ends: 443 [2018-11-23 03:59:06,795 INFO L226 Difference]: Without dead ends: 320 [2018-11-23 03:59:06,796 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 03:59:06,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-23 03:59:06,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 308. [2018-11-23 03:59:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-11-23 03:59:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 372 transitions. [2018-11-23 03:59:06,828 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 372 transitions. Word has length 52 [2018-11-23 03:59:06,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:06,828 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 372 transitions. [2018-11-23 03:59:06,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:59:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 372 transitions. [2018-11-23 03:59:06,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 03:59:06,830 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:06,831 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:59:06,831 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:06,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:06,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1548962362, now seen corresponding path program 1 times [2018-11-23 03:59:06,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:06,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:06,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:06,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:06,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:59:06,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:59:06,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 03:59:06,940 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:59:06,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:59:06,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:59:06,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:59:06,941 INFO L87 Difference]: Start difference. First operand 308 states and 372 transitions. Second operand 10 states. [2018-11-23 03:59:07,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:07,343 INFO L93 Difference]: Finished difference Result 1112 states and 1444 transitions. [2018-11-23 03:59:07,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 03:59:07,343 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-23 03:59:07,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:07,349 INFO L225 Difference]: With dead ends: 1112 [2018-11-23 03:59:07,349 INFO L226 Difference]: Without dead ends: 828 [2018-11-23 03:59:07,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:59:07,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-11-23 03:59:07,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 816. [2018-11-23 03:59:07,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-11-23 03:59:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1024 transitions. [2018-11-23 03:59:07,401 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1024 transitions. Word has length 57 [2018-11-23 03:59:07,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:07,402 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 1024 transitions. [2018-11-23 03:59:07,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:59:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1024 transitions. [2018-11-23 03:59:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 03:59:07,404 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:07,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:59:07,405 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:07,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:07,405 INFO L82 PathProgramCache]: Analyzing trace with hash -586678164, now seen corresponding path program 1 times [2018-11-23 03:59:07,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:07,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:07,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:07,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:07,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:59:07,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:59:07,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 03:59:07,472 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:59:07,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:59:07,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:59:07,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:59:07,473 INFO L87 Difference]: Start difference. First operand 816 states and 1024 transitions. Second operand 4 states. [2018-11-23 03:59:07,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:07,697 INFO L93 Difference]: Finished difference Result 2011 states and 2749 transitions. [2018-11-23 03:59:07,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 03:59:07,698 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-23 03:59:07,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:07,706 INFO L225 Difference]: With dead ends: 2011 [2018-11-23 03:59:07,706 INFO L226 Difference]: Without dead ends: 1219 [2018-11-23 03:59:07,708 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:59:07,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2018-11-23 03:59:07,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1081. [2018-11-23 03:59:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-11-23 03:59:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1360 transitions. [2018-11-23 03:59:07,757 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1360 transitions. Word has length 61 [2018-11-23 03:59:07,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:07,758 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1360 transitions. [2018-11-23 03:59:07,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:59:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1360 transitions. [2018-11-23 03:59:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 03:59:07,760 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:07,760 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:59:07,761 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:07,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:07,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1021030234, now seen corresponding path program 1 times [2018-11-23 03:59:07,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:07,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:07,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:07,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:07,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 03:59:07,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:07,842 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:59:07,842 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-11-23 03:59:07,844 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [94], [103], [107], [111], [114], [119], [125], [127], [133], [136], [139], [149], [150], [153], [154], [206], [213], [216], [224], [251], [255], [256], [278], [279], [280], [281], [282], [284], [285], [286], [287], [288], [289], [290], [291], [292], [298], [310], [311], [316], [317], [318], [319], [332], [333], [334], [335], [336] [2018-11-23 03:59:07,867 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:59:07,868 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:59:08,485 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:59:08,486 INFO L272 AbstractInterpreter]: Visited 67 different actions 145 times. Merged at 13 different actions 19 times. Never widened. Performed 4970 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4970 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-23 03:59:08,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:08,501 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:59:08,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:08,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:59:08,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:08,512 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:59:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:08,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:59:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:59:08,671 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:59:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:59:08,828 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:59:08,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-11-23 03:59:08,828 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:59:08,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 03:59:08,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 03:59:08,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-11-23 03:59:08,829 INFO L87 Difference]: Start difference. First operand 1081 states and 1360 transitions. Second operand 12 states. [2018-11-23 03:59:10,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:10,983 INFO L93 Difference]: Finished difference Result 2539 states and 3451 transitions. [2018-11-23 03:59:10,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-23 03:59:10,984 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-11-23 03:59:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:10,989 INFO L225 Difference]: With dead ends: 2539 [2018-11-23 03:59:10,989 INFO L226 Difference]: Without dead ends: 1740 [2018-11-23 03:59:10,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 182 SyntacticMatches, 8 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=645, Invalid=2547, Unknown=0, NotChecked=0, Total=3192 [2018-11-23 03:59:10,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-23 03:59:11,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1523. [2018-11-23 03:59:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2018-11-23 03:59:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1941 transitions. [2018-11-23 03:59:11,054 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1941 transitions. Word has length 89 [2018-11-23 03:59:11,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:11,054 INFO L480 AbstractCegarLoop]: Abstraction has 1523 states and 1941 transitions. [2018-11-23 03:59:11,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 03:59:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1941 transitions. [2018-11-23 03:59:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 03:59:11,058 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:11,059 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:59:11,059 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:11,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:11,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1845583873, now seen corresponding path program 1 times [2018-11-23 03:59:11,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:11,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:11,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:11,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:11,060 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:11,128 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 03:59:11,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:11,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:59:11,129 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-11-23 03:59:11,129 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [59], [68], [71], [73], [74], [89], [92], [94], [103], [107], [111], [117], [119], [125], [127], [133], [139], [149], [150], [151], [152], [153], [154], [155], [157], [160], [164], [165], [203], [206], [210], [216], [219], [223], [224], [230], [233], [235], [238], [248], [256], [259], [274], [277], [278], [279], [280], [281], [282], [284], [285], [286], [287], [288], [289], [290], [291], [292], [298], [308], [309], [318], [319], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [352], [353] [2018-11-23 03:59:11,132 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:59:11,132 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:59:11,486 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:59:11,486 INFO L272 AbstractInterpreter]: Visited 95 different actions 217 times. Merged at 15 different actions 15 times. Never widened. Performed 6782 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6782 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-23 03:59:11,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:11,492 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:59:11,492 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:11,492 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:59:11,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:11,504 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:59:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:11,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:59:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 03:59:11,646 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:59:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 03:59:11,836 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:59:11,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 03:59:11,836 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:59:11,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:59:11,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:59:11,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:59:11,837 INFO L87 Difference]: Start difference. First operand 1523 states and 1941 transitions. Second operand 9 states. [2018-11-23 03:59:12,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:12,529 INFO L93 Difference]: Finished difference Result 3137 states and 4136 transitions. [2018-11-23 03:59:12,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 03:59:12,531 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2018-11-23 03:59:12,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:12,538 INFO L225 Difference]: With dead ends: 3137 [2018-11-23 03:59:12,538 INFO L226 Difference]: Without dead ends: 1638 [2018-11-23 03:59:12,543 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 290 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2018-11-23 03:59:12,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2018-11-23 03:59:12,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1531. [2018-11-23 03:59:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2018-11-23 03:59:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1815 transitions. [2018-11-23 03:59:12,626 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1815 transitions. Word has length 146 [2018-11-23 03:59:12,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:12,627 INFO L480 AbstractCegarLoop]: Abstraction has 1531 states and 1815 transitions. [2018-11-23 03:59:12,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:59:12,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1815 transitions. [2018-11-23 03:59:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 03:59:12,630 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:12,631 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:59:12,631 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:12,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:12,632 INFO L82 PathProgramCache]: Analyzing trace with hash -134699338, now seen corresponding path program 1 times [2018-11-23 03:59:12,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:12,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:12,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:12,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:12,633 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:59:12,716 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:12,716 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:59:12,716 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-23 03:59:12,716 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [71], [73], [74], [77], [79], [85], [89], [92], [93], [94], [103], [107], [111], [117], [119], [125], [127], [133], [139], [147], [148], [149], [150], [151], [152], [153], [154], [155], [157], [162], [164], [165], [199], [200], [203], [206], [210], [216], [219], [223], [224], [230], [233], [235], [238], [245], [248], [256], [259], [262], [264], [270], [274], [277], [278], [279], [280], [281], [282], [284], [285], [286], [287], [288], [289], [290], [291], [292], [296], [297], [298], [300], [301], [302], [303], [306], [307], [308], [309], [318], [319], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345], [346], [347], [350], [351], [352], [353] [2018-11-23 03:59:12,719 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:59:12,719 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:59:13,378 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:59:13,378 INFO L272 AbstractInterpreter]: Visited 129 different actions 461 times. Merged at 17 different actions 37 times. Never widened. Performed 14074 root evaluator evaluations with a maximum evaluation depth of 5. Performed 14074 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-23 03:59:13,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:13,391 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:59:13,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:13,391 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/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 03:59:13,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:13,404 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:59:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:13,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:59:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 03:59:13,517 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:59:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:59:13,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:59:13,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2018-11-23 03:59:13,735 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:59:13,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:59:13,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:59:13,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:59:13,736 INFO L87 Difference]: Start difference. First operand 1531 states and 1815 transitions. Second operand 5 states. [2018-11-23 03:59:13,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:13,852 INFO L93 Difference]: Finished difference Result 2869 states and 3474 transitions. [2018-11-23 03:59:13,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 03:59:13,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-11-23 03:59:13,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:13,857 INFO L225 Difference]: With dead ends: 2869 [2018-11-23 03:59:13,857 INFO L226 Difference]: Without dead ends: 1362 [2018-11-23 03:59:13,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 307 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:59:13,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2018-11-23 03:59:13,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2018-11-23 03:59:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2018-11-23 03:59:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1617 transitions. [2018-11-23 03:59:13,942 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1617 transitions. Word has length 155 [2018-11-23 03:59:13,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:13,942 INFO L480 AbstractCegarLoop]: Abstraction has 1362 states and 1617 transitions. [2018-11-23 03:59:13,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:59:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1617 transitions. [2018-11-23 03:59:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 03:59:13,945 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:13,945 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:59:13,945 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:13,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:13,946 INFO L82 PathProgramCache]: Analyzing trace with hash 2017445307, now seen corresponding path program 1 times [2018-11-23 03:59:13,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:13,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:13,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:13,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:13,947 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 03:59:14,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:14,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:59:14,055 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-11-23 03:59:14,057 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [103], [107], [111], [114], [117], [119], [125], [127], [133], [139], [147], [148], [149], [150], [151], [152], [153], [154], [155], [157], [162], [164], [165], [199], [200], [203], [206], [210], [216], [219], [223], [224], [230], [233], [235], [238], [245], [248], [251], [255], [256], [259], [262], [264], [270], [274], [277], [278], [279], [280], [281], [282], [284], [285], [286], [287], [288], [289], [290], [291], [292], [296], [297], [298], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [318], [319], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345], [346], [347], [350], [351], [352], [353] [2018-11-23 03:59:14,059 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:59:14,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:59:15,286 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:59:15,286 INFO L272 AbstractInterpreter]: Visited 134 different actions 650 times. Merged at 19 different actions 55 times. Never widened. Performed 20883 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20883 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 133 variables. [2018-11-23 03:59:15,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:15,288 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:59:15,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:15,288 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:59:15,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:15,302 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:59:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:15,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:59:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:59:15,433 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:59:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 03:59:15,622 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:59:15,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2018-11-23 03:59:15,623 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:59:15,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 03:59:15,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 03:59:15,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2018-11-23 03:59:15,624 INFO L87 Difference]: Start difference. First operand 1362 states and 1617 transitions. Second operand 14 states. [2018-11-23 03:59:17,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:17,011 INFO L93 Difference]: Finished difference Result 3102 states and 3918 transitions. [2018-11-23 03:59:17,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 03:59:17,011 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 159 [2018-11-23 03:59:17,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:17,016 INFO L225 Difference]: With dead ends: 3102 [2018-11-23 03:59:17,017 INFO L226 Difference]: Without dead ends: 1933 [2018-11-23 03:59:17,019 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 313 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 03:59:17,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2018-11-23 03:59:17,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1622. [2018-11-23 03:59:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1622 states. [2018-11-23 03:59:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 1911 transitions. [2018-11-23 03:59:17,096 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 1911 transitions. Word has length 159 [2018-11-23 03:59:17,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:17,097 INFO L480 AbstractCegarLoop]: Abstraction has 1622 states and 1911 transitions. [2018-11-23 03:59:17,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 03:59:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 1911 transitions. [2018-11-23 03:59:17,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 03:59:17,100 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:59:17,100 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 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] [2018-11-23 03:59:17,101 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:59:17,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:17,101 INFO L82 PathProgramCache]: Analyzing trace with hash -961238636, now seen corresponding path program 1 times [2018-11-23 03:59:17,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:59:17,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:17,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:17,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:59:17,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:59:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 03:59:17,192 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:17,192 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:59:17,192 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-11-23 03:59:17,192 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [46], [47], [48], [50], [53], [55], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [103], [107], [111], [114], [117], [119], [125], [127], [133], [139], [147], [148], [149], [150], [151], [152], [153], [154], [155], [157], [162], [164], [165], [199], [200], [203], [206], [210], [216], [219], [223], [224], [230], [233], [235], [238], [245], [248], [251], [255], [256], [259], [262], [264], [270], [274], [277], [278], [279], [280], [281], [282], [284], [285], [286], [287], [288], [289], [290], [291], [292], [296], [297], [298], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [318], [319], [322], [323], [328], [329], [330], [331], [332], [333], [334], [335], [336], [338], [339], [340], [341], [344], [345], [346], [347], [350], [351], [352], [353] [2018-11-23 03:59:17,194 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:59:17,194 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:59:17,758 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:59:17,759 INFO L272 AbstractInterpreter]: Visited 129 different actions 291 times. Merged at 17 different actions 22 times. Never widened. Performed 16092 root evaluator evaluations with a maximum evaluation depth of 5. Performed 16092 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-23 03:59:17,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:59:17,760 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:59:17,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:59:17,760 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:59:17,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:59:17,766 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:59:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:59:17,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:59:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 03:59:17,882 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:59:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 03:59:18,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:59:18,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-23 03:59:18,071 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:59:18,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:59:18,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:59:18,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:59:18,072 INFO L87 Difference]: Start difference. First operand 1622 states and 1911 transitions. Second operand 6 states. [2018-11-23 03:59:18,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:59:18,110 INFO L93 Difference]: Finished difference Result 2159 states and 2543 transitions. [2018-11-23 03:59:18,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:59:18,110 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 229 [2018-11-23 03:59:18,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:59:18,111 INFO L225 Difference]: With dead ends: 2159 [2018-11-23 03:59:18,111 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:59:18,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 453 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-23 03:59:18,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:59:18,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:59:18,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:59:18,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:59:18,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2018-11-23 03:59:18,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:59:18,115 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:59:18,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:59:18,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:59:18,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:59:18,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:59:18,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:18,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:59:19,401 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2018-11-23 03:59:20,397 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2018-11-23 03:59:20,397 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2018-11-23 03:59:20,397 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2018-11-23 03:59:20,397 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2018-11-23 03:59:20,397 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2018-11-23 03:59:20,397 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 739 763) the Hoare annotation is: true [2018-11-23 03:59:20,397 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 739 763) no Hoare annotation was computed. [2018-11-23 03:59:20,398 INFO L444 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 .cse1) (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) .cse1))) [2018-11-23 03:59:20,398 INFO L448 ceAbstractionStarter]: For program point L751(lines 751 757) no Hoare annotation was computed. [2018-11-23 03:59:20,398 INFO L444 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 .cse1) (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) .cse1))) [2018-11-23 03:59:20,398 INFO L448 ceAbstractionStarter]: For program point L749-1(line 749) no Hoare annotation was computed. [2018-11-23 03:59:20,398 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 760) no Hoare annotation was computed. [2018-11-23 03:59:20,398 INFO L448 ceAbstractionStarter]: For program point L747-1(lines 739 763) no Hoare annotation was computed. [2018-11-23 03:59:20,398 INFO L451 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2018-11-23 03:59:20,398 INFO L448 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2018-11-23 03:59:20,398 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 840 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:59:20,398 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 840 862) no Hoare annotation was computed. [2018-11-23 03:59:20,398 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~10 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:59:20,398 INFO L444 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~10 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:59:20,399 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 857) no Hoare annotation was computed. [2018-11-23 03:59:20,399 INFO L448 ceAbstractionStarter]: For program point L850-1(lines 850 857) no Hoare annotation was computed. [2018-11-23 03:59:20,399 INFO L448 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-11-23 03:59:20,399 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:59:20,399 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:59:20,399 INFO L444 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:59:20,399 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 840 862) no Hoare annotation was computed. [2018-11-23 03:59:20,399 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2018-11-23 03:59:20,399 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (and (or (or (< |old(~pumpRunning~0)| 1) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-11-23 03:59:20,399 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-11-23 03:59:20,399 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (< |old(~pumpRunning~0)| 1) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (and (not (= ~systemActive~0 0)) .cse0)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-11-23 03:59:20,399 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2018-11-23 03:59:20,399 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2018-11-23 03:59:20,400 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2018-11-23 03:59:20,400 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L451 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: true [2018-11-23 03:59:20,400 INFO L448 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L448 ceAbstractionStarter]: For program point L263-1(line 263) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2018-11-23 03:59:20,400 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 827 836) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:59:20,400 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 827 836) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 827 836) no Hoare annotation was computed. [2018-11-23 03:59:20,400 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2018-11-23 03:59:20,401 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2018-11-23 03:59:20,401 INFO L451 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2018-11-23 03:59:20,401 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-23 03:59:20,401 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2018-11-23 03:59:20,401 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-23 03:59:20,401 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2018-11-23 03:59:20,401 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2018-11-23 03:59:20,401 INFO L448 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2018-11-23 03:59:20,401 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 952 965) no Hoare annotation was computed. [2018-11-23 03:59:20,401 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 952 965) the Hoare annotation is: true [2018-11-23 03:59:20,401 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 952 965) no Hoare annotation was computed. [2018-11-23 03:59:20,401 INFO L444 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-23 03:59:20,401 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 140 164) no Hoare annotation was computed. [2018-11-23 03:59:20,401 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 03:59:20,402 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 140 164) no Hoare annotation was computed. [2018-11-23 03:59:20,402 INFO L444 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 03:59:20,402 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 156) no Hoare annotation was computed. [2018-11-23 03:59:20,402 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 140 164) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2018-11-23 03:59:20,402 INFO L444 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 03:59:20,402 INFO L448 ceAbstractionStarter]: For program point L146-1(line 146) no Hoare annotation was computed. [2018-11-23 03:59:20,402 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 161) no Hoare annotation was computed. [2018-11-23 03:59:20,402 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 80 86) no Hoare annotation was computed. [2018-11-23 03:59:20,402 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 80 86) the Hoare annotation is: true [2018-11-23 03:59:20,402 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 668 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:59:20,402 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 0)) .cse1) (and (and .cse2 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-23 03:59:20,402 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2018-11-23 03:59:20,402 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2018-11-23 03:59:20,403 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 668 735) no Hoare annotation was computed. [2018-11-23 03:59:20,403 INFO L444 ceAbstractionStarter]: At program point L725(lines 678 727) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0 (not (= ~waterLevel~0 0))))) [2018-11-23 03:59:20,403 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse2 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:59:20,403 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2018-11-23 03:59:20,403 INFO L448 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2018-11-23 03:59:20,403 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2018-11-23 03:59:20,403 INFO L444 ceAbstractionStarter]: At program point L728(lines 677 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:59:20,403 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (and (not (= ~systemActive~0 0)) .cse0) .cse1) (and (and .cse2 .cse0) (= ~waterLevel~0 |old(~waterLevel~0)|)) (and .cse1 .cse2 .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 03:59:20,403 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-11-23 03:59:20,403 INFO L444 ceAbstractionStarter]: At program point L716-1(lines 708 723) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 0)) .cse1) (and (and .cse2 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-23 03:59:20,404 INFO L448 ceAbstractionStarter]: For program point L679(lines 678 727) no Hoare annotation was computed. [2018-11-23 03:59:20,404 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0))) [2018-11-23 03:59:20,404 INFO L448 ceAbstractionStarter]: For program point L708(lines 708 723) no Hoare annotation was computed. [2018-11-23 03:59:20,404 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 668 735) no Hoare annotation was computed. [2018-11-23 03:59:20,404 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 966 974) no Hoare annotation was computed. [2018-11-23 03:59:20,404 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 966 974) the Hoare annotation is: true [2018-11-23 03:59:20,404 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 966 974) no Hoare annotation was computed. [2018-11-23 03:59:20,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:59:20,404 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:59:20,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:59:20,404 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 165 172) no Hoare annotation was computed. [2018-11-23 03:59:20,404 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 165 172) no Hoare annotation was computed. [2018-11-23 03:59:20,404 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 165 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-23 03:59:20,404 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 943 951) the Hoare annotation is: true [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 943 951) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 943 951) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L451 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 899 910) the Hoare annotation is: true [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 899 910) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 899 910) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 766 795) no Hoare annotation was computed. [2018-11-23 03:59:20,405 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 766 795) the Hoare annotation is: true [2018-11-23 03:59:20,405 INFO L451 ceAbstractionStarter]: At program point L791(lines 766 795) the Hoare annotation is: true [2018-11-23 03:59:20,405 INFO L448 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2018-11-23 03:59:20,406 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 784) no Hoare annotation was computed. [2018-11-23 03:59:20,406 INFO L451 ceAbstractionStarter]: At program point L780-1(lines 780 784) the Hoare annotation is: true [2018-11-23 03:59:20,406 INFO L448 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-11-23 03:59:20,406 INFO L451 ceAbstractionStarter]: At program point L776-2(lines 776 790) the Hoare annotation is: true [2018-11-23 03:59:20,406 INFO L451 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-11-23 03:59:20,406 INFO L448 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2018-11-23 03:59:20,406 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 911 919) the Hoare annotation is: true [2018-11-23 03:59:20,406 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 911 919) no Hoare annotation was computed. [2018-11-23 03:59:20,406 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 911 919) no Hoare annotation was computed. [2018-11-23 03:59:20,406 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 03:59:20,406 INFO L448 ceAbstractionStarter]: For program point L60(lines 59 78) no Hoare annotation was computed. [2018-11-23 03:59:20,406 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 79) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) .cse2 .cse0))) [2018-11-23 03:59:20,406 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 79) no Hoare annotation was computed. [2018-11-23 03:59:20,406 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 79) no Hoare annotation was computed. [2018-11-23 03:59:20,407 INFO L444 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (not .cse0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (< |old(~waterLevel~0)| 1)) (or (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1)))) [2018-11-23 03:59:20,407 INFO L444 ceAbstractionStarter]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not .cse0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| 1))))) [2018-11-23 03:59:20,407 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 875 886) the Hoare annotation is: (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2) (= ~waterLevel~0 |old(~waterLevel~0)|)) [2018-11-23 03:59:20,407 INFO L448 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-11-23 03:59:20,407 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 875 886) no Hoare annotation was computed. [2018-11-23 03:59:20,407 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 820 826) no Hoare annotation was computed. [2018-11-23 03:59:20,407 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 820 826) the Hoare annotation is: true [2018-11-23 03:59:20,407 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:59:20,407 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-23 03:59:20,407 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:59:20,407 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:59:20,407 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2018-11-23 03:59:20,408 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: true [2018-11-23 03:59:20,408 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2018-11-23 03:59:20,408 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 88 112) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-23 03:59:20,408 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 104) no Hoare annotation was computed. [2018-11-23 03:59:20,408 INFO L444 ceAbstractionStarter]: At program point L94(line 94) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1)) [2018-11-23 03:59:20,408 INFO L448 ceAbstractionStarter]: For program point L94-1(line 94) no Hoare annotation was computed. [2018-11-23 03:59:20,408 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 109) no Hoare annotation was computed. [2018-11-23 03:59:20,408 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 88 112) no Hoare annotation was computed. [2018-11-23 03:59:20,408 INFO L444 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-23 03:59:20,408 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 88 112) no Hoare annotation was computed. [2018-11-23 03:59:20,408 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-23 03:59:20,408 INFO L444 ceAbstractionStarter]: At program point L98(line 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:59:20,408 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 887 898) no Hoare annotation was computed. [2018-11-23 03:59:20,408 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-11-23 03:59:20,409 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1))) (or (< ~pumpRunning~0 1) .cse1 .cse2 (= ~systemActive~0 0)))) [2018-11-23 03:59:20,409 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 864 871) no Hoare annotation was computed. [2018-11-23 03:59:20,409 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 864 871) the Hoare annotation is: true [2018-11-23 03:59:20,409 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2018-11-23 03:59:20,409 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 864 871) no Hoare annotation was computed. [2018-11-23 03:59:20,409 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-23 03:59:20,409 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 114 138) no Hoare annotation was computed. [2018-11-23 03:59:20,409 INFO L444 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1 (and (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 03:59:20,409 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 114 138) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2018-11-23 03:59:20,409 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-11-23 03:59:20,409 INFO L444 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 03:59:20,409 INFO L448 ceAbstractionStarter]: For program point L120-1(line 120) no Hoare annotation was computed. [2018-11-23 03:59:20,410 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 135) no Hoare annotation was computed. [2018-11-23 03:59:20,410 INFO L444 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-23 03:59:20,410 INFO L448 ceAbstractionStarter]: For program point L133-1(lines 114 138) no Hoare annotation was computed. [2018-11-23 03:59:20,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:59:20 BoogieIcfgContainer [2018-11-23 03:59:20,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:59:20,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:59:20,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:59:20,422 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:59:20,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:05" (3/4) ... [2018-11-23 03:59:20,425 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:59:20,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:59:20,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:59:20,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:59:20,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 03:59:20,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 03:59:20,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 03:59:20,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:59:20,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:59:20,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:59:20,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:59:20,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:59:20,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:59:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 03:59:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:59:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:59:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:59:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 03:59:20,439 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 03:59:20,439 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:59:20,439 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:59:20,440 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:59:20,440 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:59:20,440 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:59:20,441 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:59:20,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && \old(waterLevel) <= waterLevel + 1) && splverifierCounter == 0) && !(waterLevel == 0)) [2018-11-23 03:59:20,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 03:59:20,494 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fae84f37-ab92-4d29-8323-5b6dfdcbefbc/bin-2019/utaipan/witness.graphml [2018-11-23 03:59:20,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:59:20,495 INFO L168 Benchmark]: Toolchain (without parser) took 15524.85 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 690.5 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -257.8 MB). Peak memory consumption was 432.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:59:20,495 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:59:20,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:59:20,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:59:20,496 INFO L168 Benchmark]: Boogie Preprocessor took 29.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:59:20,496 INFO L168 Benchmark]: RCFGBuilder took 459.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:59:20,496 INFO L168 Benchmark]: TraceAbstraction took 14555.39 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 562.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -171.3 MB). Peak memory consumption was 832.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:59:20,496 INFO L168 Benchmark]: Witness Printer took 72.71 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:59:20,498 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.61 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 29.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 459.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14555.39 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 562.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -171.3 MB). Peak memory consumption was 832.4 MB. Max. memory is 11.5 GB. * Witness Printer took 72.71 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 868]: 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: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && \old(waterLevel) <= waterLevel + 1) && splverifierCounter == 0) && !(waterLevel == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 169 locations, 1 error locations. SAFE Result, 14.4s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 5.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2029 SDtfs, 2614 SDslu, 5222 SDs, 0 SdLazy, 7200 SolverSat, 1655 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1746 GetRequests, 1567 SyntacticMatches, 25 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1192 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1622occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 5 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 797 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3679 PreInvPairs, 3780 NumberOfFragments, 1282 HoareAnnotationTreeSize, 3679 FomulaSimplifications, 18987 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 71 FomulaSimplificationsInter, 13192 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1819 NumberOfCodeBlocks, 1819 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2577 ConstructedInterpolants, 0 QuantifiedInterpolants, 549773 SizeOfPredicates, 20 NumberOfNonLiveVariables, 4402 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 742/837 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...