./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/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 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 14:50:24,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 14:50:24,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 14:50:24,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 14:50:24,455 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 14:50:24,456 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 14:50:24,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 14:50:24,458 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 14:50:24,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 14:50:24,459 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 14:50:24,460 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 14:50:24,460 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 14:50:24,461 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 14:50:24,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 14:50:24,462 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 14:50:24,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 14:50:24,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 14:50:24,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 14:50:24,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 14:50:24,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 14:50:24,465 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 14:50:24,466 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 14:50:24,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 14:50:24,468 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 14:50:24,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 14:50:24,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 14:50:24,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 14:50:24,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 14:50:24,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 14:50:24,470 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 14:50:24,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 14:50:24,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 14:50:24,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 14:50:24,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 14:50:24,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 14:50:24,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 14:50:24,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 14:50:24,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 14:50:24,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 14:50:24,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 14:50:24,481 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 14:50:24,481 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 14:50:24,481 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 14:50:24,481 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 14:50:24,481 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 14:50:24,481 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 14:50:24,482 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 14:50:24,482 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 14:50:24,482 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 14:50:24,482 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 14:50:24,483 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 14:50:24,483 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 14:50:24,483 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 14:50:24,483 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 14:50:24,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 14:50:24,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 14:50:24,484 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 14:50:24,484 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 14:50:24,484 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 14:50:24,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 14:50:24,484 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 14:50:24,484 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 14:50:24,485 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 14:50:24,485 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 14:50:24,485 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 14:50:24,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:50:24,485 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 14:50:24,485 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 14:50:24,485 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 14:50:24,486 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 14:50:24,486 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 14:50:24,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 14:50:24,486 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 14:50:24,486 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_da5405b7-7f56-4dec-800a-621f6b26c8b9/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 -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2018-12-09 14:50:24,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 14:50:24,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 14:50:24,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 14:50:24,519 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 14:50:24,519 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 14:50:24,519 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-12-09 14:50:24,554 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/data/4f3832f76/fd6ced5e1f594a3b943f567ca9263874/FLAG96f5dcb34 [2018-12-09 14:50:24,959 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 14:50:24,959 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-12-09 14:50:24,967 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/data/4f3832f76/fd6ced5e1f594a3b943f567ca9263874/FLAG96f5dcb34 [2018-12-09 14:50:25,315 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/data/4f3832f76/fd6ced5e1f594a3b943f567ca9263874 [2018-12-09 14:50:25,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 14:50:25,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 14:50:25,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 14:50:25,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 14:50:25,333 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 14:50:25,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168f5904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25, skipping insertion in model container [2018-12-09 14:50:25,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 14:50:25,369 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 14:50:25,517 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:50:25,525 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 14:50:25,599 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:50:25,614 INFO L195 MainTranslator]: Completed translation [2018-12-09 14:50:25,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25 WrapperNode [2018-12-09 14:50:25,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 14:50:25,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 14:50:25,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 14:50:25,615 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 14:50:25,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 14:50:25,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 14:50:25,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 14:50:25,635 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 14:50:25,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... [2018-12-09 14:50:25,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 14:50:25,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 14:50:25,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 14:50:25,657 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 14:50:25,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:50:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 14:50:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 14:50:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 14:50:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 14:50:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 14:50:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 14:50:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 14:50:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 14:50:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 14:50:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 14:50:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 14:50:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 14:50:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 14:50:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 14:50:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 14:50:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 14:50:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 14:50:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 14:50:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 14:50:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 14:50:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 14:50:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 14:50:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 14:50:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 14:50:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 14:50:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 14:50:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 14:50:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 14:50:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 14:50:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 14:50:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 14:50:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 14:50:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 14:50:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 14:50:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 14:50:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 14:50:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 14:50:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 14:50:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 14:50:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 14:50:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 14:50:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 14:50:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 14:50:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 14:50:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 14:50:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 14:50:25,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 14:50:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 14:50:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 14:50:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 14:50:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 14:50:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 14:50:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 14:50:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 14:50:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 14:50:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 14:50:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 14:50:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 14:50:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 14:50:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 14:50:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 14:50:25,691 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 14:50:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 14:50:25,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 14:50:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 14:50:25,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 14:50:26,001 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 14:50:26,001 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 14:50:26,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:50:26 BoogieIcfgContainer [2018-12-09 14:50:26,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 14:50:26,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 14:50:26,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 14:50:26,004 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 14:50:26,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:50:25" (1/3) ... [2018-12-09 14:50:26,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630e4dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:50:26, skipping insertion in model container [2018-12-09 14:50:26,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:50:25" (2/3) ... [2018-12-09 14:50:26,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630e4dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:50:26, skipping insertion in model container [2018-12-09 14:50:26,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:50:26" (3/3) ... [2018-12-09 14:50:26,006 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-12-09 14:50:26,011 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 14:50:26,016 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 14:50:26,025 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 14:50:26,044 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 14:50:26,044 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 14:50:26,044 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 14:50:26,044 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 14:50:26,044 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 14:50:26,044 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 14:50:26,044 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 14:50:26,045 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 14:50:26,056 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-12-09 14:50:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 14:50:26,062 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:26,062 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:26,063 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:26,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:26,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1691094711, now seen corresponding path program 1 times [2018-12-09 14:50:26,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:26,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:26,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:50:26,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:50:26,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 14:50:26,205 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:26,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 14:50:26,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 14:50:26,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 14:50:26,217 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-12-09 14:50:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:26,242 INFO L93 Difference]: Finished difference Result 306 states and 377 transitions. [2018-12-09 14:50:26,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 14:50:26,243 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 14:50:26,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:26,250 INFO L225 Difference]: With dead ends: 306 [2018-12-09 14:50:26,250 INFO L226 Difference]: Without dead ends: 155 [2018-12-09 14:50:26,253 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 14:50:26,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-12-09 14:50:26,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-12-09 14:50:26,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-09 14:50:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 182 transitions. [2018-12-09 14:50:26,285 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 182 transitions. Word has length 51 [2018-12-09 14:50:26,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:26,285 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 182 transitions. [2018-12-09 14:50:26,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 14:50:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-12-09 14:50:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 14:50:26,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:26,287 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] [2018-12-09 14:50:26,287 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:26,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:26,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1978148502, now seen corresponding path program 1 times [2018-12-09 14:50:26,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:26,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:26,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:50:26,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:50:26,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 14:50:26,345 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:26,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 14:50:26,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 14:50:26,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 14:50:26,346 INFO L87 Difference]: Start difference. First operand 155 states and 182 transitions. Second operand 3 states. [2018-12-09 14:50:26,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:26,360 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2018-12-09 14:50:26,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 14:50:26,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 14:50:26,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:26,362 INFO L225 Difference]: With dead ends: 245 [2018-12-09 14:50:26,362 INFO L226 Difference]: Without dead ends: 146 [2018-12-09 14:50:26,362 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 14:50:26,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-09 14:50:26,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-09 14:50:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-09 14:50:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2018-12-09 14:50:26,371 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 52 [2018-12-09 14:50:26,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:26,371 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2018-12-09 14:50:26,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 14:50:26,371 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2018-12-09 14:50:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 14:50:26,372 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:26,372 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] [2018-12-09 14:50:26,373 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:26,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:26,373 INFO L82 PathProgramCache]: Analyzing trace with hash -398829445, now seen corresponding path program 1 times [2018-12-09 14:50:26,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:26,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:26,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,374 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:50:26,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:50:26,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 14:50:26,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:26,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 14:50:26,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 14:50:26,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 14:50:26,438 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand 7 states. [2018-12-09 14:50:26,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:26,679 INFO L93 Difference]: Finished difference Result 433 states and 524 transitions. [2018-12-09 14:50:26,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:50:26,680 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 14:50:26,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:26,681 INFO L225 Difference]: With dead ends: 433 [2018-12-09 14:50:26,682 INFO L226 Difference]: Without dead ends: 315 [2018-12-09 14:50:26,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 14:50:26,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-12-09 14:50:26,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 303. [2018-12-09 14:50:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-12-09 14:50:26,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 366 transitions. [2018-12-09 14:50:26,705 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 366 transitions. Word has length 57 [2018-12-09 14:50:26,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:26,705 INFO L480 AbstractCegarLoop]: Abstraction has 303 states and 366 transitions. [2018-12-09 14:50:26,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 14:50:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 366 transitions. [2018-12-09 14:50:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 14:50:26,706 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:26,707 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:26,707 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:26,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:26,707 INFO L82 PathProgramCache]: Analyzing trace with hash -99343383, now seen corresponding path program 1 times [2018-12-09 14:50:26,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:26,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:26,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,708 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:50:26,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:50:26,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:50:26,765 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:26,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:50:26,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:50:26,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:50:26,766 INFO L87 Difference]: Start difference. First operand 303 states and 366 transitions. Second operand 6 states. [2018-12-09 14:50:26,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:26,916 INFO L93 Difference]: Finished difference Result 835 states and 1032 transitions. [2018-12-09 14:50:26,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 14:50:26,917 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 14:50:26,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:26,920 INFO L225 Difference]: With dead ends: 835 [2018-12-09 14:50:26,921 INFO L226 Difference]: Without dead ends: 560 [2018-12-09 14:50:26,923 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:50:26,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2018-12-09 14:50:26,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 554. [2018-12-09 14:50:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-09 14:50:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 672 transitions. [2018-12-09 14:50:26,971 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 672 transitions. Word has length 62 [2018-12-09 14:50:26,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:26,971 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 672 transitions. [2018-12-09 14:50:26,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:50:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 672 transitions. [2018-12-09 14:50:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 14:50:26,973 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:26,973 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:26,973 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:26,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:26,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1024433349, now seen corresponding path program 1 times [2018-12-09 14:50:26,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:26,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:26,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:26,975 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:50:27,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:50:27,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 14:50:27,030 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:27,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 14:50:27,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 14:50:27,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 14:50:27,031 INFO L87 Difference]: Start difference. First operand 554 states and 672 transitions. Second operand 7 states. [2018-12-09 14:50:27,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:27,404 INFO L93 Difference]: Finished difference Result 1415 states and 1838 transitions. [2018-12-09 14:50:27,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 14:50:27,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 14:50:27,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:27,409 INFO L225 Difference]: With dead ends: 1415 [2018-12-09 14:50:27,409 INFO L226 Difference]: Without dead ends: 889 [2018-12-09 14:50:27,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 14:50:27,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2018-12-09 14:50:27,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 791. [2018-12-09 14:50:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-09 14:50:27,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-12-09 14:50:27,463 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 66 [2018-12-09 14:50:27,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:27,464 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-12-09 14:50:27,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 14:50:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-12-09 14:50:27,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 14:50:27,467 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:27,467 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:27,467 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:27,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:27,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1186024303, now seen corresponding path program 1 times [2018-12-09 14:50:27,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:27,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:27,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:27,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:27,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:27,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 14:50:27,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:50:27,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:50:27,539 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:27,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:50:27,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:50:27,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:50:27,539 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 6 states. [2018-12-09 14:50:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:27,574 INFO L93 Difference]: Finished difference Result 1582 states and 1970 transitions. [2018-12-09 14:50:27,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 14:50:27,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-09 14:50:27,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:27,578 INFO L225 Difference]: With dead ends: 1582 [2018-12-09 14:50:27,578 INFO L226 Difference]: Without dead ends: 819 [2018-12-09 14:50:27,579 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 14:50:27,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-12-09 14:50:27,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2018-12-09 14:50:27,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-09 14:50:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 975 transitions. [2018-12-09 14:50:27,603 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 975 transitions. Word has length 104 [2018-12-09 14:50:27,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:27,603 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 975 transitions. [2018-12-09 14:50:27,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:50:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 975 transitions. [2018-12-09 14:50:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 14:50:27,605 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:27,605 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:27,605 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:27,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:27,605 INFO L82 PathProgramCache]: Analyzing trace with hash 742248399, now seen corresponding path program 1 times [2018-12-09 14:50:27,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:27,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:27,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:27,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:27,606 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 14:50:27,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:50:27,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 14:50:27,661 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:27,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 14:50:27,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 14:50:27,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 14:50:27,662 INFO L87 Difference]: Start difference. First operand 811 states and 975 transitions. Second operand 8 states. [2018-12-09 14:50:27,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:27,702 INFO L93 Difference]: Finished difference Result 1622 states and 2010 transitions. [2018-12-09 14:50:27,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 14:50:27,702 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-09 14:50:27,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:27,705 INFO L225 Difference]: With dead ends: 1622 [2018-12-09 14:50:27,705 INFO L226 Difference]: Without dead ends: 839 [2018-12-09 14:50:27,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 14:50:27,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-12-09 14:50:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2018-12-09 14:50:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-12-09 14:50:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 991 transitions. [2018-12-09 14:50:27,732 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 991 transitions. Word has length 104 [2018-12-09 14:50:27,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:27,733 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 991 transitions. [2018-12-09 14:50:27,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 14:50:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 991 transitions. [2018-12-09 14:50:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 14:50:27,734 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:27,734 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:27,734 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:27,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:27,734 INFO L82 PathProgramCache]: Analyzing trace with hash 501708270, now seen corresponding path program 1 times [2018-12-09 14:50:27,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:27,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:27,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:27,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:27,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 14:50:27,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:50:27,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 14:50:27,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:27,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 14:50:27,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 14:50:27,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 14:50:27,803 INFO L87 Difference]: Start difference. First operand 827 states and 991 transitions. Second operand 4 states. [2018-12-09 14:50:27,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:27,991 INFO L93 Difference]: Finished difference Result 2613 states and 3282 transitions. [2018-12-09 14:50:27,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 14:50:27,992 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-09 14:50:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:27,996 INFO L225 Difference]: With dead ends: 2613 [2018-12-09 14:50:27,996 INFO L226 Difference]: Without dead ends: 1814 [2018-12-09 14:50:27,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 14:50:28,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2018-12-09 14:50:28,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1783. [2018-12-09 14:50:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2018-12-09 14:50:28,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2191 transitions. [2018-12-09 14:50:28,054 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2191 transitions. Word has length 104 [2018-12-09 14:50:28,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:28,055 INFO L480 AbstractCegarLoop]: Abstraction has 1783 states and 2191 transitions. [2018-12-09 14:50:28,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 14:50:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2191 transitions. [2018-12-09 14:50:28,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 14:50:28,057 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:28,057 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:28,057 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:28,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:28,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1312220376, now seen corresponding path program 1 times [2018-12-09 14:50:28,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:28,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:28,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:28,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:28,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:28,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 14:50:28,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:50:28,154 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:50:28,154 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-09 14:50:28,156 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [44], [46], [47], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [101], [104], [109], [115], [121], [129], [130], [133], [135], [138], [140], [143], [146], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [196], [200], [233], [234], [242], [246], [249], [251], [254], [264], [269], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [291], [292], [293], [295], [296], [303], [304], [305], [306], [307], [308], [313], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [331], [332], [333], [339], [340], [341], [343], [344], [345], [346] [2018-12-09 14:50:28,179 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:50:28,179 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:50:28,501 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 14:50:28,502 INFO L272 AbstractInterpreter]: Visited 104 different actions 106 times. Never merged. Never widened. Performed 3299 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3299 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-09 14:50:28,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:28,507 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 14:50:28,787 INFO L227 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 96.96% of their original sizes. [2018-12-09 14:50:28,787 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 14:50:29,030 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-09 14:50:29,030 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 14:50:29,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 14:50:29,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [13] total 39 [2018-12-09 14:50:29,030 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:29,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-09 14:50:29,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-09 14:50:29,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2018-12-09 14:50:29,031 INFO L87 Difference]: Start difference. First operand 1783 states and 2191 transitions. Second operand 28 states. [2018-12-09 14:50:39,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:39,889 INFO L93 Difference]: Finished difference Result 6654 states and 8645 transitions. [2018-12-09 14:50:39,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-09 14:50:39,889 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 108 [2018-12-09 14:50:39,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:39,901 INFO L225 Difference]: With dead ends: 6654 [2018-12-09 14:50:39,901 INFO L226 Difference]: Without dead ends: 4899 [2018-12-09 14:50:39,904 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=374, Invalid=3166, Unknown=0, NotChecked=0, Total=3540 [2018-12-09 14:50:39,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2018-12-09 14:50:40,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 4640. [2018-12-09 14:50:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4640 states. [2018-12-09 14:50:40,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 5786 transitions. [2018-12-09 14:50:40,030 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 5786 transitions. Word has length 108 [2018-12-09 14:50:40,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:40,030 INFO L480 AbstractCegarLoop]: Abstraction has 4640 states and 5786 transitions. [2018-12-09 14:50:40,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-09 14:50:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 5786 transitions. [2018-12-09 14:50:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 14:50:40,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:40,036 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:40,036 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:40,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:40,036 INFO L82 PathProgramCache]: Analyzing trace with hash -336907646, now seen corresponding path program 1 times [2018-12-09 14:50:40,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:40,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:40,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:40,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:40,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 14:50:40,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:50:40,128 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:50:40,128 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-12-09 14:50:40,129 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [193], [196], [200], [206], [233], [234], [237], [241], [242], [246], [249], [251], [254], [261], [264], [269], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [290], [291], [292], [293], [295], [296], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [349], [350] [2018-12-09 14:50:40,131 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:50:40,131 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:50:40,972 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:50:40,972 INFO L272 AbstractInterpreter]: Visited 138 different actions 686 times. Merged at 18 different actions 54 times. Never widened. Performed 22444 root evaluator evaluations with a maximum evaluation depth of 5. Performed 22444 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 13 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-09 14:50:40,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:40,975 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:50:40,975 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:50:40,975 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:50:40,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:40,982 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:50:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:41,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:50:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 14:50:41,192 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:50:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 14:50:41,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 14:50:41,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 14:50:41,914 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:41,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 14:50:41,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 14:50:41,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 14:50:41,915 INFO L87 Difference]: Start difference. First operand 4640 states and 5786 transitions. Second operand 8 states. [2018-12-09 14:50:42,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:42,216 INFO L93 Difference]: Finished difference Result 8414 states and 10602 transitions. [2018-12-09 14:50:42,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 14:50:42,216 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2018-12-09 14:50:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:42,229 INFO L225 Difference]: With dead ends: 8414 [2018-12-09 14:50:42,229 INFO L226 Difference]: Without dead ends: 4183 [2018-12-09 14:50:42,236 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 320 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 14:50:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4183 states. [2018-12-09 14:50:42,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4183 to 4163. [2018-12-09 14:50:42,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4163 states. [2018-12-09 14:50:42,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 5083 transitions. [2018-12-09 14:50:42,410 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 5083 transitions. Word has length 169 [2018-12-09 14:50:42,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:42,410 INFO L480 AbstractCegarLoop]: Abstraction has 4163 states and 5083 transitions. [2018-12-09 14:50:42,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 14:50:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 5083 transitions. [2018-12-09 14:50:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 14:50:42,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:42,417 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:42,417 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:42,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:42,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1971331981, now seen corresponding path program 1 times [2018-12-09 14:50:42,417 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:42,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:42,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:42,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:42,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 14:50:42,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:50:42,488 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:50:42,488 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-09 14:50:42,489 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [155], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [193], [196], [200], [206], [233], [234], [237], [239], [241], [242], [246], [249], [251], [254], [261], [264], [269], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [290], [291], [292], [293], [295], [296], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [349], [350] [2018-12-09 14:50:42,491 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:50:42,491 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:50:44,154 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:50:44,154 INFO L272 AbstractInterpreter]: Visited 140 different actions 1448 times. Merged at 23 different actions 149 times. Widened at 1 different actions 1 times. Performed 52433 root evaluator evaluations with a maximum evaluation depth of 5. Performed 52433 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 42 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-09 14:50:44,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:44,156 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:50:44,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:50:44,157 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 14:50:44,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:44,163 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:50:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:44,239 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:50:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 14:50:44,279 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:50:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 14:50:44,499 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:50:44,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 11 [2018-12-09 14:50:44,499 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:50:44,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 14:50:44,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 14:50:44,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 14:50:44,500 INFO L87 Difference]: Start difference. First operand 4163 states and 5083 transitions. Second operand 8 states. [2018-12-09 14:50:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:45,153 INFO L93 Difference]: Finished difference Result 9301 states and 12002 transitions. [2018-12-09 14:50:45,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 14:50:45,154 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2018-12-09 14:50:45,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:45,168 INFO L225 Difference]: With dead ends: 9301 [2018-12-09 14:50:45,169 INFO L226 Difference]: Without dead ends: 5814 [2018-12-09 14:50:45,174 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 444 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-12-09 14:50:45,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2018-12-09 14:50:45,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 5501. [2018-12-09 14:50:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5501 states. [2018-12-09 14:50:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5501 states to 5501 states and 6716 transitions. [2018-12-09 14:50:45,345 INFO L78 Accepts]: Start accepts. Automaton has 5501 states and 6716 transitions. Word has length 223 [2018-12-09 14:50:45,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:45,346 INFO L480 AbstractCegarLoop]: Abstraction has 5501 states and 6716 transitions. [2018-12-09 14:50:45,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 14:50:45,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5501 states and 6716 transitions. [2018-12-09 14:50:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 14:50:45,352 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:45,352 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:45,353 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:45,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:45,353 INFO L82 PathProgramCache]: Analyzing trace with hash -350469937, now seen corresponding path program 1 times [2018-12-09 14:50:45,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:45,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:45,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:45,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:45,354 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 14:50:45,452 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:50:45,452 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:50:45,453 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-09 14:50:45,453 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [155], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [193], [196], [200], [206], [233], [234], [237], [241], [242], [246], [249], [251], [254], [261], [264], [269], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [290], [291], [292], [293], [295], [296], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [349], [350] [2018-12-09 14:50:45,455 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:50:45,455 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:50:46,801 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:50:46,801 INFO L272 AbstractInterpreter]: Visited 139 different actions 1234 times. Merged at 23 different actions 138 times. Widened at 1 different actions 1 times. Performed 42205 root evaluator evaluations with a maximum evaluation depth of 5. Performed 42205 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 34 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-09 14:50:46,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:46,803 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:50:46,803 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:50:46,803 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/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 [2018-12-09 14:50:46,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:46,809 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:50:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:46,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:50:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 14:50:46,978 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:50:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 14:50:47,257 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 14:50:47,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2018-12-09 14:50:47,257 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 14:50:47,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 14:50:47,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 14:50:47,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-12-09 14:50:47,258 INFO L87 Difference]: Start difference. First operand 5501 states and 6716 transitions. Second operand 16 states. [2018-12-09 14:50:48,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:48,637 INFO L93 Difference]: Finished difference Result 14246 states and 19156 transitions. [2018-12-09 14:50:48,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-09 14:50:48,637 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 223 [2018-12-09 14:50:48,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:48,668 INFO L225 Difference]: With dead ends: 14246 [2018-12-09 14:50:48,668 INFO L226 Difference]: Without dead ends: 9794 [2018-12-09 14:50:48,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=337, Invalid=1223, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 14:50:48,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9794 states. [2018-12-09 14:50:49,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9794 to 8381. [2018-12-09 14:50:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8381 states. [2018-12-09 14:50:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8381 states to 8381 states and 10306 transitions. [2018-12-09 14:50:49,053 INFO L78 Accepts]: Start accepts. Automaton has 8381 states and 10306 transitions. Word has length 223 [2018-12-09 14:50:49,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:49,053 INFO L480 AbstractCegarLoop]: Abstraction has 8381 states and 10306 transitions. [2018-12-09 14:50:49,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 14:50:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 8381 states and 10306 transitions. [2018-12-09 14:50:49,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 14:50:49,063 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:50:49,063 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:50:49,063 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:50:49,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:49,063 INFO L82 PathProgramCache]: Analyzing trace with hash 452728145, now seen corresponding path program 1 times [2018-12-09 14:50:49,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:50:49,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:49,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:49,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:50:49,064 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:50:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:49,145 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 14:50:49,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:50:49,145 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 14:50:49,146 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-12-09 14:50:49,146 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [36], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [121], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [155], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [193], [196], [200], [206], [233], [234], [237], [241], [242], [246], [249], [251], [254], [261], [264], [269], [271], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [290], [291], [292], [293], [295], [296], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [317], [318], [319], [320], [321], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [349], [350] [2018-12-09 14:50:49,147 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 14:50:49,147 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 14:50:50,870 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 14:50:50,870 INFO L272 AbstractInterpreter]: Visited 141 different actions 1630 times. Merged at 26 different actions 185 times. Widened at 1 different actions 1 times. Performed 53683 root evaluator evaluations with a maximum evaluation depth of 5. Performed 53683 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 52 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-09 14:50:50,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:50:50,871 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 14:50:50,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 14:50:50,871 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/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 [2018-12-09 14:50:50,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:50:50,877 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 14:50:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:50:50,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:50:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 14:50:50,996 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 14:50:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 14:50:51,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 14:50:51,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-09 14:50:51,168 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:50:51,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:50:51,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:50:51,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 14:50:51,169 INFO L87 Difference]: Start difference. First operand 8381 states and 10306 transitions. Second operand 6 states. [2018-12-09 14:50:51,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:50:51,260 INFO L93 Difference]: Finished difference Result 9557 states and 11634 transitions. [2018-12-09 14:50:51,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 14:50:51,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-12-09 14:50:51,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:50:51,262 INFO L225 Difference]: With dead ends: 9557 [2018-12-09 14:50:51,262 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 14:50:51,272 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 449 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-09 14:50:51,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 14:50:51,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 14:50:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 14:50:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 14:50:51,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2018-12-09 14:50:51,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:50:51,273 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 14:50:51,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:50:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 14:50:51,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 14:50:51,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 14:50:51,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:51,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 14:50:52,431 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 90 [2018-12-09 14:50:52,609 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 24 [2018-12-09 14:50:53,042 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 37 [2018-12-09 14:50:53,437 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 33 [2018-12-09 14:50:53,617 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2018-12-09 14:50:53,745 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2018-12-09 14:50:53,935 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 40 [2018-12-09 14:50:54,071 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2018-12-09 14:50:54,268 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2018-12-09 14:50:54,570 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 49 [2018-12-09 14:50:54,805 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 29 [2018-12-09 14:50:55,002 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 27 [2018-12-09 14:50:55,239 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 24 [2018-12-09 14:50:55,413 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 34 [2018-12-09 14:50:55,732 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-12-09 14:50:56,020 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2018-12-09 14:50:56,185 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 39 [2018-12-09 14:50:56,604 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-12-09 14:50:56,725 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2018-12-09 14:50:56,874 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 38 [2018-12-09 14:50:57,084 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-12-09 14:50:57,086 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 282 288) the Hoare annotation is: true [2018-12-09 14:50:57,087 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 282 288) no Hoare annotation was computed. [2018-12-09 14:50:57,087 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 289 297) no Hoare annotation was computed. [2018-12-09 14:50:57,087 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 289 297) the Hoare annotation is: true [2018-12-09 14:50:57,087 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 289 297) no Hoare annotation was computed. [2018-12-09 14:50:57,087 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 240 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:50:57,087 INFO L444 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 14:50:57,087 INFO L444 ceAbstractionStarter]: At program point L252-1(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 14:50:57,087 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 257) no Hoare annotation was computed. [2018-12-09 14:50:57,087 INFO L448 ceAbstractionStarter]: For program point L250-1(lines 250 257) no Hoare annotation was computed. [2018-12-09 14:50:57,087 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 240 262) no Hoare annotation was computed. [2018-12-09 14:50:57,088 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-12-09 14:50:57,088 INFO L444 ceAbstractionStarter]: At program point L247(line 247) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:50:57,088 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:50:57,088 INFO L444 ceAbstractionStarter]: At program point L246-1(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:50:57,088 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 240 262) no Hoare annotation was computed. [2018-12-09 14:50:57,088 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 954 968) no Hoare annotation was computed. [2018-12-09 14:50:57,088 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~waterLevel~0 2)) (.cse7 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse0 .cse2) (or (or .cse3 .cse4 .cse5 .cse2) .cse6 .cse7) (or (or .cse4 .cse5 .cse2 .cse1) .cse6 .cse7))) [2018-12-09 14:50:57,088 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 964) no Hoare annotation was computed. [2018-12-09 14:50:57,088 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 954 968) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~systemActive~0)| 0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (not (= ~systemActive~0 0)) .cse0)) (.cse8 (< ~waterLevel~0 2))) (and (or .cse0 (or (or .cse1 .cse2) .cse3)) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 (or .cse4 .cse6 .cse7 .cse3) .cse8) (or (or .cse6 .cse7 .cse3 .cse2) .cse5 .cse8)))) [2018-12-09 14:50:57,088 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 954 968) no Hoare annotation was computed. [2018-12-09 14:50:57,089 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 871 879) no Hoare annotation was computed. [2018-12-09 14:50:57,089 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 871 879) the Hoare annotation is: true [2018-12-09 14:50:57,089 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 871 879) no Hoare annotation was computed. [2018-12-09 14:50:57,089 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 948) no Hoare annotation was computed. [2018-12-09 14:50:57,089 INFO L451 ceAbstractionStarter]: At program point L942(line 942) the Hoare annotation is: true [2018-12-09 14:50:57,089 INFO L448 ceAbstractionStarter]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2018-12-09 14:50:57,089 INFO L448 ceAbstractionStarter]: For program point L942-1(line 942) no Hoare annotation was computed. [2018-12-09 14:50:57,089 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 935 953) the Hoare annotation is: true [2018-12-09 14:50:57,089 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 935 953) no Hoare annotation was computed. [2018-12-09 14:50:57,089 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 935 953) no Hoare annotation was computed. [2018-12-09 14:50:57,089 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 275 281) no Hoare annotation was computed. [2018-12-09 14:50:57,089 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 275 281) the Hoare annotation is: true [2018-12-09 14:50:57,089 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 226 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:50:57,090 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 226 236) no Hoare annotation was computed. [2018-12-09 14:50:57,090 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:50:57,090 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 226 236) no Hoare annotation was computed. [2018-12-09 14:50:57,090 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-12-09 14:50:57,090 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-09 14:50:57,090 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 860 870) the Hoare annotation is: true [2018-12-09 14:50:57,090 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 860 870) no Hoare annotation was computed. [2018-12-09 14:50:57,090 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 860 870) no Hoare annotation was computed. [2018-12-09 14:50:57,090 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 852 859) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)))))) [2018-12-09 14:50:57,090 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 852 859) no Hoare annotation was computed. [2018-12-09 14:50:57,090 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 852 859) no Hoare annotation was computed. [2018-12-09 14:50:57,090 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 801 825) no Hoare annotation was computed. [2018-12-09 14:50:57,091 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse4 .cse6 .cse3) (or .cse2 .cse5 .cse4 .cse6))) [2018-12-09 14:50:57,091 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 801 825) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse4 .cse6 .cse3) (or .cse2 .cse5 .cse3 .cse4 .cse6))) [2018-12-09 14:50:57,091 INFO L448 ceAbstractionStarter]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2018-12-09 14:50:57,091 INFO L444 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= 0 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3) (or .cse5 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse2 .cse3 .cse6))) [2018-12-09 14:50:57,091 INFO L444 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 processEnvironment_~tmp~6) .cse8)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= 0 ~waterLevel~0) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse2 .cse3 .cse7) (or .cse2 .cse5 .cse4 .cse3 .cse7 .cse6)))) [2018-12-09 14:50:57,091 INFO L448 ceAbstractionStarter]: For program point L809(lines 809 817) no Hoare annotation was computed. [2018-12-09 14:50:57,091 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse4) (or .cse5 .cse2 .cse4 .cse6) (or .cse2 .cse3 .cse1 .cse4 .cse6))) [2018-12-09 14:50:57,091 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-12-09 14:50:57,091 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 822) no Hoare annotation was computed. [2018-12-09 14:50:57,092 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-09 14:50:57,092 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-09 14:50:57,092 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-09 14:50:57,092 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-09 14:50:57,092 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 767 773) no Hoare annotation was computed. [2018-12-09 14:50:57,092 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 767 773) the Hoare annotation is: true [2018-12-09 14:50:57,092 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 301 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:50:57,092 INFO L444 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse7 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse6 .cse7 .cse3) (and .cse0 .cse5 .cse6 .cse7 .cse2 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse4 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 14:50:57,092 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 355) no Hoare annotation was computed. [2018-12-09 14:50:57,092 INFO L444 ceAbstractionStarter]: At program point L349-1(lines 341 356) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (not (= ~systemActive~0 0))) (.cse7 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse6 .cse7 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse4 .cse1 .cse3) (and .cse5 (and .cse0 .cse6 .cse7 .cse2 .cse3)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 14:50:57,092 INFO L448 ceAbstractionStarter]: For program point L312(lines 311 360) no Hoare annotation was computed. [2018-12-09 14:50:57,093 INFO L444 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse4 .cse5 .cse3) (and .cse0 .cse6 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 14:50:57,093 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 301 368) no Hoare annotation was computed. [2018-12-09 14:50:57,093 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 356) no Hoare annotation was computed. [2018-12-09 14:50:57,093 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 14:50:57,093 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 337) no Hoare annotation was computed. [2018-12-09 14:50:57,093 INFO L448 ceAbstractionStarter]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2018-12-09 14:50:57,093 INFO L444 ceAbstractionStarter]: At program point L358(lines 311 360) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 14:50:57,093 INFO L444 ceAbstractionStarter]: At program point L323(line 323) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (and .cse3 .cse1 .cse2)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2))) [2018-12-09 14:50:57,093 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2018-12-09 14:50:57,093 INFO L448 ceAbstractionStarter]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2018-12-09 14:50:57,094 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 317) no Hoare annotation was computed. [2018-12-09 14:50:57,094 INFO L444 ceAbstractionStarter]: At program point L361(lines 310 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:50:57,094 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 301 368) no Hoare annotation was computed. [2018-12-09 14:50:57,094 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 826 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 14:50:57,094 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 826 833) no Hoare annotation was computed. [2018-12-09 14:50:57,094 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 826 833) no Hoare annotation was computed. [2018-12-09 14:50:57,094 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-09 14:50:57,094 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-09 14:50:57,094 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-09 14:50:57,094 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse0 .cse4 .cse2 .cse3 .cse1) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 (< ~waterLevel~0 2) .cse6 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse7 .cse6 .cse2 .cse1) (or .cse1 .cse4 .cse7 .cse6 .cse2 .cse3))) [2018-12-09 14:50:57,094 INFO L448 ceAbstractionStarter]: For program point L993-1(line 993) no Hoare annotation was computed. [2018-12-09 14:50:57,095 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 987 1015) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse0 .cse4 .cse2 .cse3 .cse1) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 (< ~waterLevel~0 2) .cse6 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse7 .cse6 .cse2 .cse1) (or .cse1 .cse4 .cse7 .cse6 .cse2 .cse3))) [2018-12-09 14:50:57,095 INFO L444 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 0))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse4 .cse1 .cse2) (or .cse6 .cse3) (or .cse5 .cse6 .cse2))) [2018-12-09 14:50:57,095 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2018-12-09 14:50:57,095 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2018-12-09 14:50:57,095 INFO L444 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 0))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse0 .cse7 .cse1 .cse2 .cse3) (or .cse5 .cse3) (or .cse4 .cse0 .cse7 .cse1 (and .cse6 (= __utac_acc__Specification2_spec__2_~tmp~10 1)) .cse2))) [2018-12-09 14:50:57,095 INFO L448 ceAbstractionStarter]: For program point L997-1(line 997) no Hoare annotation was computed. [2018-12-09 14:50:57,095 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 987 1015) no Hoare annotation was computed. [2018-12-09 14:50:57,095 INFO L448 ceAbstractionStarter]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2018-12-09 14:50:57,095 INFO L448 ceAbstractionStarter]: For program point L995-1(lines 987 1015) no Hoare annotation was computed. [2018-12-09 14:50:57,095 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 979 986) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 14:50:57,096 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 979 986) no Hoare annotation was computed. [2018-12-09 14:50:57,096 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 979 986) no Hoare annotation was computed. [2018-12-09 14:50:57,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:50:57,096 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)) [2018-12-09 14:50:57,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:50:57,096 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 14:50:57,096 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 835 851) no Hoare annotation was computed. [2018-12-09 14:50:57,096 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 835 851) no Hoare annotation was computed. [2018-12-09 14:50:57,096 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-12-09 14:50:57,096 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 835 851) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 14:50:57,096 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 14:50:57,096 INFO L448 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2018-12-09 14:50:57,097 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 916 934) no Hoare annotation was computed. [2018-12-09 14:50:57,097 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 929) no Hoare annotation was computed. [2018-12-09 14:50:57,097 INFO L451 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: true [2018-12-09 14:50:57,097 INFO L448 ceAbstractionStarter]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2018-12-09 14:50:57,097 INFO L448 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2018-12-09 14:50:57,097 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 916 934) the Hoare annotation is: true [2018-12-09 14:50:57,097 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 916 934) no Hoare annotation was computed. [2018-12-09 14:50:57,097 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-09 14:50:57,097 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (= ~systemActive~0 1)) .cse2 (not (= ~waterLevel~0 2)) .cse5) (or .cse4 .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse5) (or (<= 1 ~methaneLevelCritical~0) (or (< |old(~methaneLevelCritical~0)| 1) .cse0 .cse2)) (or (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3))) [2018-12-09 14:50:57,097 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-09 14:50:57,097 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse9 (= ~methAndRunningLastTime~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (and .cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse9 (not .cse2) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse10)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse8 .cse4) (or .cse1 (or .cse6 .cse2 .cse3 .cse4) .cse0) (or .cse7 .cse8 .cse4 .cse5)))) [2018-12-09 14:50:57,098 INFO L444 ceAbstractionStarter]: At program point L754(lines 754 760) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse8 (= 0 ~pumpRunning~0)) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse0 .cse4 .cse2 .cse3 .cse1) (or .cse5 .cse0 (and .cse1 .cse6 .cse7) .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (not .cse4) (= ~pumpRunning~0 1) .cse6) (and .cse6 .cse7) .cse2 .cse3) (or (and .cse8 .cse9) .cse10 (or .cse4 .cse11 .cse2 .cse3)) (or (and .cse1 .cse8 .cse9) .cse10 (or .cse5 .cse4 .cse11 .cse2)))) [2018-12-09 14:50:57,098 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 743 766) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= ~methAndRunningLastTime~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~systemActive~0 0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 (or .cse6 .cse7 .cse2 .cse3) .cse1) (or .cse1 .cse5 (or .cse4 .cse6 .cse7 .cse2)))) [2018-12-09 14:50:57,098 INFO L444 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= ~methAndRunningLastTime~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 (or .cse5 .cse6 .cse1 .cse2) .cse7) (or .cse7 .cse4 (or .cse3 .cse5 .cse6 .cse1)))) [2018-12-09 14:50:57,098 INFO L448 ceAbstractionStarter]: For program point L747(lines 746 765) no Hoare annotation was computed. [2018-12-09 14:50:57,098 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 743 766) no Hoare annotation was computed. [2018-12-09 14:50:57,098 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 743 766) no Hoare annotation was computed. [2018-12-09 14:50:57,098 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-12-09 14:50:57,098 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-12-09 14:50:57,098 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-12-09 14:50:57,099 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-09 14:50:57,099 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-12-09 14:50:57,099 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-12-09 14:50:57,099 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-12-09 14:50:57,099 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-12-09 14:50:57,099 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-12-09 14:50:57,099 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-09 14:50:57,099 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-09 14:50:57,099 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-09 14:50:57,099 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-09 14:50:57,099 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse4 .cse0))) [2018-12-09 14:50:57,099 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-09 14:50:57,099 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-09 14:50:57,099 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-12-09 14:50:57,100 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-12-09 14:50:57,100 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:50:57,100 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 14:50:57,100 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 14:50:57,100 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:50:57,100 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 775 799) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse2 .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse2 .cse5 .cse6 .cse4 .cse3) (or .cse1 .cse2 .cse4 .cse7 .cse3))) [2018-12-09 14:50:57,100 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 775 799) no Hoare annotation was computed. [2018-12-09 14:50:57,100 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse2 .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-09 14:50:57,100 INFO L448 ceAbstractionStarter]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2018-12-09 14:50:57,100 INFO L444 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2) .cse4) (or .cse2 .cse5 .cse6 .cse4 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse0 .cse2 .cse5 .cse6 .cse4))) [2018-12-09 14:50:57,101 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~waterLevel~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 (and .cse7 (= processEnvironment__wrappee__highWaterSensor_~tmp~5 1) .cse8) .cse3) (or .cse5 .cse0 .cse1 .cse2 .cse3) (or .cse6 .cse0 (and .cse7 .cse8) .cse3 .cse4))) [2018-12-09 14:50:57,101 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2018-12-09 14:50:57,101 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse4 .cse7) (or .cse1 .cse2 .cse4 .cse7 .cse3) (or .cse0 .cse2 .cse5 .cse6 .cse4))) [2018-12-09 14:50:57,101 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-12-09 14:50:57,101 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2018-12-09 14:50:57,101 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 969 976) no Hoare annotation was computed. [2018-12-09 14:50:57,101 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 969 976) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (or .cse0 .cse2 .cse3 .cse4 (not (= ~waterLevel~0 2))) .cse1))) [2018-12-09 14:50:57,101 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 969 976) no Hoare annotation was computed. [2018-12-09 14:50:57,101 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-09 14:50:57,101 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-09 14:50:57,102 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1) (or (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) (or (= ~systemActive~0 0) .cse2) .cse3 .cse0))) [2018-12-09 14:50:57,102 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 151 158) no Hoare annotation was computed. [2018-12-09 14:50:57,102 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 151 158) the Hoare annotation is: true [2018-12-09 14:50:57,102 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2018-12-09 14:50:57,102 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 151 158) no Hoare annotation was computed. [2018-12-09 14:50:57,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:50:57 BoogieIcfgContainer [2018-12-09 14:50:57,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 14:50:57,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 14:50:57,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 14:50:57,113 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 14:50:57,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:50:26" (3/4) ... [2018-12-09 14:50:57,116 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 14:50:57,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 14:50:57,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 14:50:57,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 14:50:57,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 14:50:57,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 14:50:57,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 14:50:57,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 14:50:57,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 14:50:57,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 14:50:57,129 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 14:50:57,129 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 14:50:57,129 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 14:50:57,130 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 14:50:57,130 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 14:50:57,130 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 14:50:57,152 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 14:50:57,152 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 14:50:57,176 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_da5405b7-7f56-4dec-800a-621f6b26c8b9/bin-2019/utaipan/witness.graphml [2018-12-09 14:50:57,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 14:50:57,177 INFO L168 Benchmark]: Toolchain (without parser) took 31854.92 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 945.9 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 430.4 MB. Max. memory is 11.5 GB. [2018-12-09 14:50:57,177 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:50:57,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-09 14:50:57,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:50:57,178 INFO L168 Benchmark]: Boogie Preprocessor took 21.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:50:57,178 INFO L168 Benchmark]: RCFGBuilder took 344.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:50:57,178 INFO L168 Benchmark]: TraceAbstraction took 31110.83 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-09 14:50:57,178 INFO L168 Benchmark]: Witness Printer took 63.76 ms. Allocated memory is still 3.0 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-09 14:50:57,179 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 344.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31110.83 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 63.76 ms. Allocated memory is still 3.0 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 168 locations, 1 error locations. SAFE Result, 31.0s OverallTime, 13 OverallIterations, 4 TraceHistogramMax, 14.5s AutomataDifference, 0.0s DeadEndRemovalTime, 5.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 3217 SDtfs, 2957 SDslu, 12198 SDs, 0 SdLazy, 7932 SolverSat, 1162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1965 GetRequests, 1768 SyntacticMatches, 15 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1237 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8381occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.9s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9960503661792514 AbsIntWeakeningRatio, 1.0373831775700935 AbsIntAvgWeakeningVarsNumRemoved, 112.24299065420561 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 2172 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 11284 PreInvPairs, 11613 NumberOfFragments, 3251 HoareAnnotationTreeSize, 11284 FomulaSimplifications, 28385 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 70 FomulaSimplificationsInter, 46764 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2392 NumberOfCodeBlocks, 2392 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3213 ConstructedInterpolants, 0 QuantifiedInterpolants, 885518 SizeOfPredicates, 20 NumberOfNonLiveVariables, 4186 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 1164/1302 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...