./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product59_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_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/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 3e1b0443329a7a45dbd5811d3e88a5ff99628068 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:34:59,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:34:59,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:34:59,614 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:34:59,614 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:34:59,615 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:34:59,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:34:59,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:34:59,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:34:59,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:34:59,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:34:59,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:34:59,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:34:59,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:34:59,619 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:34:59,620 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:34:59,620 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:34:59,621 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:34:59,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:34:59,623 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:34:59,624 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:34:59,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:34:59,625 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:34:59,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:34:59,626 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:34:59,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:34:59,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:34:59,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:34:59,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:34:59,628 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:34:59,628 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:34:59,629 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:34:59,629 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:34:59,629 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:34:59,630 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:34:59,630 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:34:59,630 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 19:34:59,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:34:59,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:34:59,638 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:34:59,639 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:34:59,639 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 19:34:59,639 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 19:34:59,639 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 19:34:59,639 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 19:34:59,639 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 19:34:59,639 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 19:34:59,639 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 19:34:59,639 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 19:34:59,640 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 19:34:59,640 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:34:59,640 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:34:59,640 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:34:59,640 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:34:59,640 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:34:59,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:34:59,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:34:59,641 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:34:59,641 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:34:59,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:34:59,641 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:34:59,641 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:34:59,642 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:34:59,642 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 19:34:59,643 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_900598b0-ce8a-40dd-bedd-0c84c29e7f26/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 -> 3e1b0443329a7a45dbd5811d3e88a5ff99628068 [2018-12-08 19:34:59,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:34:59,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:34:59,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:34:59,673 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:34:59,673 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:34:59,673 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c [2018-12-08 19:34:59,715 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/data/65fa57c55/1c7ecc5e3b8e4c0499b08d2228a6f06a/FLAG3e554ffc9 [2018-12-08 19:35:00,073 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:35:00,073 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c [2018-12-08 19:35:00,080 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/data/65fa57c55/1c7ecc5e3b8e4c0499b08d2228a6f06a/FLAG3e554ffc9 [2018-12-08 19:35:00,088 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/data/65fa57c55/1c7ecc5e3b8e4c0499b08d2228a6f06a [2018-12-08 19:35:00,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:35:00,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:35:00,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:35:00,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:35:00,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:35:00,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00, skipping insertion in model container [2018-12-08 19:35:00,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:35:00,122 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:35:00,285 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:35:00,292 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:35:00,372 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:35:00,391 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:35:00,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00 WrapperNode [2018-12-08 19:35:00,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:35:00,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:35:00,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:35:00,392 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:35:00,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:35:00,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:35:00,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:35:00,412 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:35:00,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... [2018-12-08 19:35:00,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:35:00,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:35:00,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:35:00,436 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:35:00,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/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 [2018-12-08 19:35:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 19:35:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 19:35:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:35:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:35:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 19:35:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 19:35:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 19:35:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 19:35:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:35:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 19:35:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 19:35:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 19:35:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 19:35:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 19:35:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 19:35:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 19:35:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 19:35:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 19:35:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 19:35:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 19:35:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 19:35:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 19:35:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 19:35:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 19:35:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 19:35:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 19:35:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 19:35:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 19:35:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 19:35:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 19:35:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 19:35:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 19:35:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 19:35:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 19:35:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 19:35:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 19:35:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 19:35:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:35:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:35:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 19:35:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 19:35:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 19:35:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 19:35:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 19:35:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 19:35:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 19:35:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 19:35:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 19:35:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 19:35:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 19:35:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 19:35:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 19:35:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 19:35:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 19:35:00,472 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 19:35:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 19:35:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 19:35:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 19:35:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 19:35:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 19:35:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:35:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:35:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 19:35:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 19:35:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 19:35:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 19:35:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:35:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:35:00,757 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:35:00,757 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 19:35:00,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:35:00 BoogieIcfgContainer [2018-12-08 19:35:00,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:35:00,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:35:00,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:35:00,760 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:35:00,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:35:00" (1/3) ... [2018-12-08 19:35:00,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdf91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:35:00, skipping insertion in model container [2018-12-08 19:35:00,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:35:00" (2/3) ... [2018-12-08 19:35:00,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdf91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:35:00, skipping insertion in model container [2018-12-08 19:35:00,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:35:00" (3/3) ... [2018-12-08 19:35:00,763 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59_true-unreach-call_false-termination.cil.c [2018-12-08 19:35:00,769 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:35:00,774 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:35:00,784 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:35:00,803 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:35:00,803 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:35:00,803 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:35:00,803 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:35:00,804 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:35:00,804 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:35:00,804 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:35:00,804 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:35:00,816 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-12-08 19:35:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 19:35:00,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:00,822 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:35:00,823 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:00,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:00,827 INFO L82 PathProgramCache]: Analyzing trace with hash 653465884, now seen corresponding path program 1 times [2018-12-08 19:35:00,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:00,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:00,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:00,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:00,858 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:35:00,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:35:00,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:35:00,976 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:00,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:35:00,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:35:00,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:35:00,988 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-12-08 19:35:01,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:01,013 INFO L93 Difference]: Finished difference Result 314 states and 385 transitions. [2018-12-08 19:35:01,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:35:01,014 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 19:35:01,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:01,021 INFO L225 Difference]: With dead ends: 314 [2018-12-08 19:35:01,021 INFO L226 Difference]: Without dead ends: 159 [2018-12-08 19:35:01,023 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 [2018-12-08 19:35:01,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-12-08 19:35:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-12-08 19:35:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-12-08 19:35:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2018-12-08 19:35:01,056 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 59 [2018-12-08 19:35:01,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:01,057 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2018-12-08 19:35:01,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:35:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2018-12-08 19:35:01,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 19:35:01,059 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:01,059 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] [2018-12-08 19:35:01,059 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:01,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:01,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1638494867, now seen corresponding path program 1 times [2018-12-08 19:35:01,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:01,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:01,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:01,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:01,061 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:35:01,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:35:01,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:35:01,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:01,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:35:01,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:35:01,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:35:01,156 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand 7 states. [2018-12-08 19:35:01,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:01,464 INFO L93 Difference]: Finished difference Result 486 states and 594 transitions. [2018-12-08 19:35:01,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:35:01,465 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 19:35:01,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:01,469 INFO L225 Difference]: With dead ends: 486 [2018-12-08 19:35:01,469 INFO L226 Difference]: Without dead ends: 355 [2018-12-08 19:35:01,471 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 [2018-12-08 19:35:01,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-12-08 19:35:01,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 347. [2018-12-08 19:35:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-12-08 19:35:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 422 transitions. [2018-12-08 19:35:01,502 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 422 transitions. Word has length 64 [2018-12-08 19:35:01,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:01,502 INFO L480 AbstractCegarLoop]: Abstraction has 347 states and 422 transitions. [2018-12-08 19:35:01,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:35:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 422 transitions. [2018-12-08 19:35:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 19:35:01,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:01,504 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:35:01,504 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:01,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:01,505 INFO L82 PathProgramCache]: Analyzing trace with hash 2089112269, now seen corresponding path program 1 times [2018-12-08 19:35:01,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:01,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:01,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:01,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:01,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 19:35:01,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:35:01,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:35:01,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:01,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:35:01,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:35:01,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:35:01,584 INFO L87 Difference]: Start difference. First operand 347 states and 422 transitions. Second operand 7 states. [2018-12-08 19:35:02,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:02,046 INFO L93 Difference]: Finished difference Result 894 states and 1198 transitions. [2018-12-08 19:35:02,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:35:02,047 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-08 19:35:02,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:02,049 INFO L225 Difference]: With dead ends: 894 [2018-12-08 19:35:02,049 INFO L226 Difference]: Without dead ends: 575 [2018-12-08 19:35:02,051 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 [2018-12-08 19:35:02,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2018-12-08 19:35:02,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 495. [2018-12-08 19:35:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2018-12-08 19:35:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 619 transitions. [2018-12-08 19:35:02,082 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 619 transitions. Word has length 70 [2018-12-08 19:35:02,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:02,083 INFO L480 AbstractCegarLoop]: Abstraction has 495 states and 619 transitions. [2018-12-08 19:35:02,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:35:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 619 transitions. [2018-12-08 19:35:02,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 19:35:02,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:02,085 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:35:02,085 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:02,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:02,086 INFO L82 PathProgramCache]: Analyzing trace with hash -2128361328, now seen corresponding path program 1 times [2018-12-08 19:35:02,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:02,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:02,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:35:02,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:35:02,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:35:02,146 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:02,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:35:02,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:35:02,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:35:02,147 INFO L87 Difference]: Start difference. First operand 495 states and 619 transitions. Second operand 3 states. [2018-12-08 19:35:02,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:02,160 INFO L93 Difference]: Finished difference Result 813 states and 974 transitions. [2018-12-08 19:35:02,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:35:02,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2018-12-08 19:35:02,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:02,162 INFO L225 Difference]: With dead ends: 813 [2018-12-08 19:35:02,162 INFO L226 Difference]: Without dead ends: 450 [2018-12-08 19:35:02,163 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 [2018-12-08 19:35:02,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-12-08 19:35:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2018-12-08 19:35:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-12-08 19:35:02,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 539 transitions. [2018-12-08 19:35:02,179 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 539 transitions. Word has length 103 [2018-12-08 19:35:02,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:02,179 INFO L480 AbstractCegarLoop]: Abstraction has 450 states and 539 transitions. [2018-12-08 19:35:02,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:35:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 539 transitions. [2018-12-08 19:35:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:35:02,180 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:02,181 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:35:02,181 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:02,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:02,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1631985768, now seen corresponding path program 1 times [2018-12-08 19:35:02,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:02,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:02,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,182 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:35:02,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:35:02,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:35:02,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:02,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:35:02,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:35:02,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:35:02,238 INFO L87 Difference]: Start difference. First operand 450 states and 539 transitions. Second operand 6 states. [2018-12-08 19:35:02,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:02,283 INFO L93 Difference]: Finished difference Result 886 states and 1094 transitions. [2018-12-08 19:35:02,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:35:02,283 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2018-12-08 19:35:02,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:02,285 INFO L225 Difference]: With dead ends: 886 [2018-12-08 19:35:02,285 INFO L226 Difference]: Without dead ends: 464 [2018-12-08 19:35:02,286 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 [2018-12-08 19:35:02,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-12-08 19:35:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 460. [2018-12-08 19:35:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2018-12-08 19:35:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 549 transitions. [2018-12-08 19:35:02,300 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 549 transitions. Word has length 107 [2018-12-08 19:35:02,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:02,300 INFO L480 AbstractCegarLoop]: Abstraction has 460 states and 549 transitions. [2018-12-08 19:35:02,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:35:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 549 transitions. [2018-12-08 19:35:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:35:02,301 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:02,301 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:35:02,301 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:02,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:02,301 INFO L82 PathProgramCache]: Analyzing trace with hash 296286934, now seen corresponding path program 1 times [2018-12-08 19:35:02,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:02,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:02,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,302 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:35:02,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:35:02,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:35:02,362 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:02,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:35:02,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:35:02,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:35:02,362 INFO L87 Difference]: Start difference. First operand 460 states and 549 transitions. Second operand 8 states. [2018-12-08 19:35:02,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:02,388 INFO L93 Difference]: Finished difference Result 906 states and 1114 transitions. [2018-12-08 19:35:02,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:35:02,388 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2018-12-08 19:35:02,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:02,390 INFO L225 Difference]: With dead ends: 906 [2018-12-08 19:35:02,390 INFO L226 Difference]: Without dead ends: 474 [2018-12-08 19:35:02,391 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 [2018-12-08 19:35:02,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2018-12-08 19:35:02,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 468. [2018-12-08 19:35:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-12-08 19:35:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2018-12-08 19:35:02,405 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 107 [2018-12-08 19:35:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:02,406 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2018-12-08 19:35:02,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:35:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2018-12-08 19:35:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:35:02,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:02,407 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:35:02,407 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:02,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:02,407 INFO L82 PathProgramCache]: Analyzing trace with hash 55746805, now seen corresponding path program 1 times [2018-12-08 19:35:02,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:02,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:02,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,408 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:35:02,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:35:02,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 19:35:02,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:02,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 19:35:02,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 19:35:02,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 19:35:02,463 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 4 states. [2018-12-08 19:35:02,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:02,598 INFO L93 Difference]: Finished difference Result 1456 states and 1818 transitions. [2018-12-08 19:35:02,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 19:35:02,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-12-08 19:35:02,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:02,603 INFO L225 Difference]: With dead ends: 1456 [2018-12-08 19:35:02,603 INFO L226 Difference]: Without dead ends: 1016 [2018-12-08 19:35:02,604 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 [2018-12-08 19:35:02,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2018-12-08 19:35:02,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 999. [2018-12-08 19:35:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2018-12-08 19:35:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1224 transitions. [2018-12-08 19:35:02,651 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1224 transitions. Word has length 107 [2018-12-08 19:35:02,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:02,651 INFO L480 AbstractCegarLoop]: Abstraction has 999 states and 1224 transitions. [2018-12-08 19:35:02,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 19:35:02,652 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1224 transitions. [2018-12-08 19:35:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 19:35:02,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:02,654 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:35:02,654 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:02,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:02,654 INFO L82 PathProgramCache]: Analyzing trace with hash -333555269, now seen corresponding path program 1 times [2018-12-08 19:35:02,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:02,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:02,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:02,655 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:35:02,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:35:02,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 19:35:02,766 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:02,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:35:02,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:35:02,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:35:02,767 INFO L87 Difference]: Start difference. First operand 999 states and 1224 transitions. Second operand 9 states. [2018-12-08 19:35:03,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:03,426 INFO L93 Difference]: Finished difference Result 2742 states and 3516 transitions. [2018-12-08 19:35:03,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 19:35:03,426 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2018-12-08 19:35:03,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:03,434 INFO L225 Difference]: With dead ends: 2742 [2018-12-08 19:35:03,434 INFO L226 Difference]: Without dead ends: 1953 [2018-12-08 19:35:03,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 19:35:03,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2018-12-08 19:35:03,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1728. [2018-12-08 19:35:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1728 states. [2018-12-08 19:35:03,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 2083 transitions. [2018-12-08 19:35:03,514 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 2083 transitions. Word has length 111 [2018-12-08 19:35:03,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:03,515 INFO L480 AbstractCegarLoop]: Abstraction has 1728 states and 2083 transitions. [2018-12-08 19:35:03,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:35:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2083 transitions. [2018-12-08 19:35:03,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 19:35:03,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:03,517 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:35:03,517 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:03,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:03,517 INFO L82 PathProgramCache]: Analyzing trace with hash -556219494, now seen corresponding path program 1 times [2018-12-08 19:35:03,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:03,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:03,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:03,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:03,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 19:35:03,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:35:03,605 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:35:03,606 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-12-08 19:35:03,607 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [80], [83], [85], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [158], [159], [160], [161], [162], [163], [164], [166], [171], [174], [175], [177], [182], [184], [185], [186], [187], [224], [227], [231], [237], [238], [239], [242], [246], [247], [251], [254], [256], [259], [266], [269], [272], [276], [277], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [293], [294], [295], [296], [300], [301], [302], [303], [304], [306], [307], [308], [309], [312], [313], [314], [315], [316], [317], [322], [323], [326], [327], [328], [329], [330], [331], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [348], [349], [350], [351], [354], [355] [2018-12-08 19:35:03,630 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:35:03,630 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:35:05,122 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:35:05,123 INFO L272 AbstractInterpreter]: Visited 140 different actions 848 times. Merged at 18 different actions 62 times. Never widened. Performed 34055 root evaluator evaluations with a maximum evaluation depth of 5. Performed 34055 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-08 19:35:05,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:05,130 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:35:05,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:35:05,130 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/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 [2018-12-08 19:35:05,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:05,136 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:35:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:05,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:35:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:35:05,309 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:35:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 19:35:05,534 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 19:35:05,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-08 19:35:05,534 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 19:35:05,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 19:35:05,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 19:35:05,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-08 19:35:05,535 INFO L87 Difference]: Start difference. First operand 1728 states and 2083 transitions. Second operand 16 states. [2018-12-08 19:35:06,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:06,267 INFO L93 Difference]: Finished difference Result 3927 states and 4942 transitions. [2018-12-08 19:35:06,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-08 19:35:06,267 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 172 [2018-12-08 19:35:06,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:06,274 INFO L225 Difference]: With dead ends: 3927 [2018-12-08 19:35:06,274 INFO L226 Difference]: Without dead ends: 2403 [2018-12-08 19:35:06,278 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 336 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-12-08 19:35:06,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2018-12-08 19:35:06,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 2157. [2018-12-08 19:35:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2018-12-08 19:35:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2573 transitions. [2018-12-08 19:35:06,394 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2573 transitions. Word has length 172 [2018-12-08 19:35:06,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:06,395 INFO L480 AbstractCegarLoop]: Abstraction has 2157 states and 2573 transitions. [2018-12-08 19:35:06,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 19:35:06,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2573 transitions. [2018-12-08 19:35:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 19:35:06,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:06,399 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 19:35:06,399 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:06,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:06,400 INFO L82 PathProgramCache]: Analyzing trace with hash 97739494, now seen corresponding path program 1 times [2018-12-08 19:35:06,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:06,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:06,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:06,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:06,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 93 proven. 16 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-08 19:35:06,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:35:06,516 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:35:06,516 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-12-08 19:35:06,516 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [158], [159], [160], [161], [162], [163], [164], [166], [171], [174], [175], [177], [182], [184], [185], [186], [187], [224], [227], [231], [237], [238], [239], [242], [246], [247], [251], [254], [256], [259], [266], [269], [272], [274], [276], [277], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [293], [294], [295], [296], [300], [301], [302], [303], [304], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [322], [323], [326], [327], [328], [329], [330], [331], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [348], [349], [350], [351], [354], [355] [2018-12-08 19:35:06,518 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:35:06,518 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:35:07,616 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:35:07,616 INFO L272 AbstractInterpreter]: Visited 142 different actions 858 times. Merged at 20 different actions 64 times. Never widened. Performed 32790 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32790 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 15 fixpoints after 4 different actions. Largest state had 134 variables. [2018-12-08 19:35:07,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:07,622 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:35:07,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:35:07,622 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/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 [2018-12-08 19:35:07,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:07,628 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:35:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:07,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:35:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 216 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-08 19:35:07,885 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:35:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-08 19:35:08,438 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 19:35:08,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-12-08 19:35:08,439 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 19:35:08,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 19:35:08,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 19:35:08,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-08 19:35:08,439 INFO L87 Difference]: Start difference. First operand 2157 states and 2573 transitions. Second operand 18 states. [2018-12-08 19:35:10,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:10,046 INFO L93 Difference]: Finished difference Result 5821 states and 7319 transitions. [2018-12-08 19:35:10,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-08 19:35:10,046 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 307 [2018-12-08 19:35:10,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:10,058 INFO L225 Difference]: With dead ends: 5821 [2018-12-08 19:35:10,058 INFO L226 Difference]: Without dead ends: 3140 [2018-12-08 19:35:10,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 603 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-12-08 19:35:10,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3140 states. [2018-12-08 19:35:10,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3140 to 2940. [2018-12-08 19:35:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2940 states. [2018-12-08 19:35:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 3452 transitions. [2018-12-08 19:35:10,214 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 3452 transitions. Word has length 307 [2018-12-08 19:35:10,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:10,214 INFO L480 AbstractCegarLoop]: Abstraction has 2940 states and 3452 transitions. [2018-12-08 19:35:10,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 19:35:10,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 3452 transitions. [2018-12-08 19:35:10,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 19:35:10,220 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:10,220 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 19:35:10,220 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:10,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:10,220 INFO L82 PathProgramCache]: Analyzing trace with hash 551569034, now seen corresponding path program 1 times [2018-12-08 19:35:10,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:10,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:10,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:10,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:10,221 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-12-08 19:35:10,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:35:10,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:35:10,366 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 367 with the following transitions: [2018-12-08 19:35:10,366 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [144], [147], [158], [159], [160], [161], [162], [163], [164], [166], [171], [174], [175], [177], [182], [184], [185], [186], [187], [224], [227], [231], [234], [237], [238], [239], [242], [246], [247], [251], [254], [256], [259], [266], [269], [272], [276], [277], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [293], [294], [295], [296], [300], [301], [302], [303], [304], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [320], [321], [322], [323], [326], [327], [328], [329], [330], [331], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [348], [349], [350], [351], [354], [355] [2018-12-08 19:35:10,368 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:35:10,368 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:35:11,519 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:35:11,519 INFO L272 AbstractInterpreter]: Visited 155 different actions 903 times. Merged at 30 different actions 114 times. Never widened. Performed 35847 root evaluator evaluations with a maximum evaluation depth of 5. Performed 35847 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 32 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-08 19:35:11,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:11,521 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:35:11,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:35:11,521 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/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 [2018-12-08 19:35:11,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:11,527 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:35:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:11,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:35:11,670 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-12-08 19:35:11,670 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:35:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-12-08 19:35:11,888 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 19:35:11,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-08 19:35:11,888 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:11,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:35:11,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:35:11,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:35:11,889 INFO L87 Difference]: Start difference. First operand 2940 states and 3452 transitions. Second operand 3 states. [2018-12-08 19:35:11,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:11,957 INFO L93 Difference]: Finished difference Result 3482 states and 4108 transitions. [2018-12-08 19:35:11,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:35:11,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2018-12-08 19:35:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:11,962 INFO L225 Difference]: With dead ends: 3482 [2018-12-08 19:35:11,962 INFO L226 Difference]: Without dead ends: 1220 [2018-12-08 19:35:11,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 734 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:35:11,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2018-12-08 19:35:12,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1207. [2018-12-08 19:35:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2018-12-08 19:35:12,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1378 transitions. [2018-12-08 19:35:12,003 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1378 transitions. Word has length 366 [2018-12-08 19:35:12,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:12,004 INFO L480 AbstractCegarLoop]: Abstraction has 1207 states and 1378 transitions. [2018-12-08 19:35:12,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:35:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1378 transitions. [2018-12-08 19:35:12,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-08 19:35:12,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:35:12,008 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:35:12,008 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:35:12,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:12,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1316422796, now seen corresponding path program 1 times [2018-12-08 19:35:12,008 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:35:12,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:12,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:12,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:35:12,009 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:35:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 19:35:12,102 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:35:12,102 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 19:35:12,102 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 388 with the following transitions: [2018-12-08 19:35:12,103 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [102], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [158], [159], [160], [161], [162], [163], [164], [166], [171], [174], [175], [177], [180], [182], [184], [185], [186], [187], [224], [227], [231], [237], [238], [239], [242], [246], [247], [251], [254], [256], [259], [262], [266], [269], [272], [276], [277], [280], [281], [282], [283], [284], [285], [286], [288], [289], [290], [291], [292], [293], [294], [295], [296], [300], [301], [302], [303], [304], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [322], [323], [326], [327], [328], [329], [330], [331], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [348], [349], [350], [351], [352], [353], [354], [355] [2018-12-08 19:35:12,104 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 19:35:12,104 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 19:35:13,225 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 19:35:13,225 INFO L272 AbstractInterpreter]: Visited 152 different actions 976 times. Merged at 41 different actions 195 times. Widened at 1 different actions 2 times. Performed 35359 root evaluator evaluations with a maximum evaluation depth of 5. Performed 35359 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 43 fixpoints after 9 different actions. Largest state had 134 variables. [2018-12-08 19:35:13,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:35:13,227 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 19:35:13,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:35:13,227 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/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 [2018-12-08 19:35:13,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:35:13,232 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 19:35:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:35:13,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:35:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-12-08 19:35:13,437 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 19:35:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 19:35:13,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 19:35:13,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-08 19:35:13,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:35:13,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:35:13,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:35:13,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 19:35:13,744 INFO L87 Difference]: Start difference. First operand 1207 states and 1378 transitions. Second operand 6 states. [2018-12-08 19:35:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:35:13,770 INFO L93 Difference]: Finished difference Result 1474 states and 1671 transitions. [2018-12-08 19:35:13,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:35:13,770 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 387 [2018-12-08 19:35:13,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:35:13,770 INFO L225 Difference]: With dead ends: 1474 [2018-12-08 19:35:13,771 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 19:35:13,772 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 769 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-08 19:35:13,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 19:35:13,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 19:35:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 19:35:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 19:35:13,773 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2018-12-08 19:35:13,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:35:13,773 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 19:35:13,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:35:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 19:35:13,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:35:13,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 19:35:13,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:13,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:35:14,511 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 37 [2018-12-08 19:35:14,864 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 49 [2018-12-08 19:35:15,085 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 34 [2018-12-08 19:35:15,604 WARN L180 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 49 [2018-12-08 19:35:16,011 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 38 [2018-12-08 19:35:16,170 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 32 [2018-12-08 19:35:16,387 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2018-12-08 19:35:16,683 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 30 [2018-12-08 19:35:17,176 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2018-12-08 19:35:17,500 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 40 [2018-12-08 19:35:17,774 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 53 [2018-12-08 19:35:17,843 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1002 1008) the Hoare annotation is: true [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1002 1008) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1009 1017) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1009 1017) the Hoare annotation is: true [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1009 1017) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 836 843) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 836 843) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 836 843) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 844 853) the Hoare annotation is: (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse3) (or .cse1 .cse2 (< 2 ~waterLevel~0) .cse6 .cse7))) [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 844 853) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 844 853) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L444 ceAbstractionStarter]: At program point L864(line 864) the Hoare annotation is: (let ((.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse4 .cse3) (or (< 0 ~waterLevel~0) .cse2 .cse5 .cse4 .cse6) (or .cse2 .cse0 .cse6 .cse4 .cse3) (or .cse2 .cse0 .cse6 .cse1) (or .cse5 (or .cse6 (or .cse2 .cse1))))) [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point L862(lines 862 879) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2018-12-08 19:35:17,844 INFO L451 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: true [2018-12-08 19:35:17,844 INFO L448 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 854 882) the Hoare annotation is: true [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 854 882) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 (not (= ~systemActive~0 0)) (< 2 ~waterLevel~0) .cse3) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 876) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 960 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 960 982) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 960 982) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,845 INFO L444 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point L970-1(lines 970 977) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L444 ceAbstractionStarter]: At program point L967(line 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,845 INFO L444 ceAbstractionStarter]: At program point L966(line 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,845 INFO L444 ceAbstractionStarter]: At program point L966-1(line 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 444 458) no Hoare annotation was computed. [2018-12-08 19:35:17,845 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 454) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 444 458) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= |old(~systemActive~0)| 0))) (let ((.cse2 (< 2 ~waterLevel~0)) (.cse9 (not (= ~systemActive~0 0))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not .cse7)) (.cse4 (= 0 ~systemActive~0)) (.cse11 (or .cse1 (not (= ~waterLevel~0 2)))) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (< 1 ~waterLevel~0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or (or .cse7 .cse2 .cse8 .cse6) (and .cse9 .cse10)) (or .cse2 (and .cse9 (= ~pumpRunning~0 1)) (or .cse7 .cse8) (< ~waterLevel~0 2)) (or .cse3 .cse1 .cse6 .cse10) (or .cse5 .cse11 .cse4) (or .cse11 .cse0) (or .cse3 .cse8 (not (= |old(~systemActive~0)| 1)) .cse6 (= ~systemActive~0 1))))) [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 444 458) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L444 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: (let ((.cse4 (< 2 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (< ~switchedOnBeforeTS~0 1) .cse1 .cse0) (or (< 0 ~waterLevel~0) .cse0 .cse2) (or (or .cse3 .cse4 .cse5 .cse2) (and .cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse4 (and .cse6 (= ~pumpRunning~0 1)) (or .cse3 .cse5) (< ~waterLevel~0 2)) (or .cse0 (not (= ~waterLevel~0 1))) (or .cse1 .cse5 (not (= |old(~systemActive~0)| 1)) .cse2 (= ~systemActive~0 1)))) [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 361 369) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 361 369) the Hoare annotation is: true [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 361 369) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L451 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 425 443) the Hoare annotation is: true [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 425 443) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 438) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 425 443) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 995 1001) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 995 1001) the Hoare annotation is: true [2018-12-08 19:35:17,846 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 946 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 946 956) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L444 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,846 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 946 956) no Hoare annotation was computed. [2018-12-08 19:35:17,846 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 350 360) the Hoare annotation is: true [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 350 360) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L451 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: true [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point L355-1(line 355) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 342 349) the Hoare annotation is: (let ((.cse1 (< 2 ~waterLevel~0)) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (or .cse0 .cse1 .cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse1 (= ~pumpRunning~0 1) (or .cse0 .cse2) (< ~waterLevel~0 2)))) [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 342 349) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 291 315) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L444 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point L310-1(lines 291 315) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 291 315) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-08 19:35:17,847 INFO L444 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 19:35:17,847 INFO L444 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (<= 1 processEnvironment_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 307) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 312) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-08 19:35:17,847 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-08 19:35:17,848 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-08 19:35:17,848 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-08 19:35:17,848 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2018-12-08 19:35:17,848 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2018-12-08 19:35:17,848 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 154 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,848 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and .cse3 (= 0 ~systemActive~0) .cse2 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2))) [2018-12-08 19:35:17,848 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 190) no Hoare annotation was computed. [2018-12-08 19:35:17,848 INFO L448 ceAbstractionStarter]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2018-12-08 19:35:17,848 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 154 219) no Hoare annotation was computed. [2018-12-08 19:35:17,848 INFO L444 ceAbstractionStarter]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse2 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse4) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 19:35:17,848 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (<= ~waterLevel~0 2) .cse2 (= 0 ~systemActive~0) .cse4) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 19:35:17,848 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 180) no Hoare annotation was computed. [2018-12-08 19:35:17,848 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2018-12-08 19:35:17,848 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-12-08 19:35:17,848 INFO L444 ceAbstractionStarter]: At program point L212(lines 163 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 19:35:17,848 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (<= ~waterLevel~0 2) .cse3 .cse1 .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1) (and .cse0 .cse5 .cse1 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse5 .cse1) (and (<= 2 ~waterLevel~0) (and .cse2 .cse3 .cse1) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 19:35:17,848 INFO L448 ceAbstractionStarter]: For program point L200(lines 200 206) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L444 ceAbstractionStarter]: At program point L200-1(lines 194 207) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse2 (= 0 ~systemActive~0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2))) [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point L165(lines 164 211) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 154 219) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 207) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 316 323) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 316 323) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 316 323) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L444 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point L336-1(lines 325 341) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 325 341) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point L330-1(line 330) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 325 341) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 406 424) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2018-12-08 19:35:17,849 INFO L451 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: true [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point L413-1(line 413) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 406 424) the Hoare annotation is: true [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 406 424) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 885 914) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L451 ceAbstractionStarter]: At program point L895-2(lines 895 909) the Hoare annotation is: true [2018-12-08 19:35:17,850 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 885 914) the Hoare annotation is: true [2018-12-08 19:35:17,850 INFO L451 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: true [2018-12-08 19:35:17,850 INFO L448 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2018-12-08 19:35:17,850 INFO L451 ceAbstractionStarter]: At program point L910(lines 885 914) the Hoare annotation is: true [2018-12-08 19:35:17,851 INFO L448 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2018-12-08 19:35:17,851 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 903) no Hoare annotation was computed. [2018-12-08 19:35:17,851 INFO L451 ceAbstractionStarter]: At program point L899-1(lines 899 903) the Hoare annotation is: true [2018-12-08 19:35:17,851 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse1) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse4) (or .cse0 .cse2 .cse4 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-08 19:35:17,851 INFO L444 ceAbstractionStarter]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and .cse5 .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 .cse1 .cse2) .cse3 (and (= ~pumpRunning~0 1) .cse4)) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (= 1 ~waterLevel~0))) (or .cse0 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse3 .cse0)))) [2018-12-08 19:35:17,851 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 230 256) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= ~systemActive~0 0))) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse2 (and .cse9 .cse6)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse11 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse12 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse3) (or (and (= ~pumpRunning~0 1) .cse6) (or (or .cse1 .cse7) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse4 .cse0 .cse8 .cse3 .cse5) (or (or .cse0 .cse1 .cse7) (and .cse9 (= 2 ~waterLevel~0))) (or .cse0 .cse8 .cse10 .cse11 .cse12) (or .cse8 .cse10 .cse2 .cse0) (or .cse0 .cse1 .cse11 .cse12 .cse3)))) [2018-12-08 19:35:17,851 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))))) [2018-12-08 19:35:17,851 INFO L448 ceAbstractionStarter]: For program point L237(lines 233 255) no Hoare annotation was computed. [2018-12-08 19:35:17,851 INFO L448 ceAbstractionStarter]: For program point L235(lines 233 255) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 230 256) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 230 256) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 939 945) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 939 945) the Hoare annotation is: true [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 19:35:17,852 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 265 289) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-12-08 19:35:17,852 INFO L444 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 265 289) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L448 ceAbstractionStarter]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2018-12-08 19:35:17,852 INFO L444 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse0))) [2018-12-08 19:35:17,853 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-08 19:35:17,853 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 281) no Hoare annotation was computed. [2018-12-08 19:35:17,853 INFO L444 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-12-08 19:35:17,853 INFO L448 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2018-12-08 19:35:17,853 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 286) no Hoare annotation was computed. [2018-12-08 19:35:17,853 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-08 19:35:17,853 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-08 19:35:17,853 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse3 .cse4 .cse0) (or (or .cse4 .cse1 (not (= |old(~waterLevel~0)| 1))) .cse0) (or .cse0 (or .cse4 .cse1) .cse3 .cse2))) [2018-12-08 19:35:17,853 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 826 833) no Hoare annotation was computed. [2018-12-08 19:35:17,853 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2018-12-08 19:35:17,853 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 826 833) the Hoare annotation is: true [2018-12-08 19:35:17,853 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 826 833) no Hoare annotation was computed. [2018-12-08 19:35:17,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:35:17 BoogieIcfgContainer [2018-12-08 19:35:17,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:35:17,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:35:17,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:35:17,864 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:35:17,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:35:00" (3/4) ... [2018-12-08 19:35:17,867 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:35:17,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 19:35:17,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 19:35:17,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 19:35:17,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 19:35:17,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 19:35:17,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 19:35:17,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 19:35:17,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:35:17,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 19:35:17,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 19:35:17,877 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 19:35:17,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 19:35:17,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 19:35:17,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 19:35:17,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 19:35:17,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 19:35:17,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 0 == systemActive) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-08 19:35:17,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 19:35:17,924 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_900598b0-ce8a-40dd-bedd-0c84c29e7f26/bin-2019/utaipan/witness.graphml [2018-12-08 19:35:17,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:35:17,924 INFO L168 Benchmark]: Toolchain (without parser) took 17834.62 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 956.7 MB in the beginning and 1.5 GB in the end (delta: -578.4 MB). Peak memory consumption was 786.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:35:17,925 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:35:17,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -127.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-08 19:35:17,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.28 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. [2018-12-08 19:35:17,925 INFO L168 Benchmark]: Boogie Preprocessor took 22.91 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. [2018-12-08 19:35:17,926 INFO L168 Benchmark]: RCFGBuilder took 322.17 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. [2018-12-08 19:35:17,926 INFO L168 Benchmark]: TraceAbstraction took 17105.43 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -508.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-08 19:35:17,926 INFO L168 Benchmark]: Witness Printer took 60.17 ms. Allocated memory is still 2.4 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 89.5 kB). Peak memory consumption was 89.5 kB. Max. memory is 11.5 GB. [2018-12-08 19:35:17,927 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -127.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.28 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 22.91 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. * RCFGBuilder took 322.17 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17105.43 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -508.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 60.17 ms. Allocated memory is still 2.4 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 89.5 kB). Peak memory consumption was 89.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 830]: 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: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 0 == systemActive) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 172 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2677 SDtfs, 2609 SDslu, 7728 SDs, 0 SdLazy, 5753 SolverSat, 1231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2652 GetRequests, 2478 SyntacticMatches, 20 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2940occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.9s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 799 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 4371 PreInvPairs, 4585 NumberOfFragments, 2435 HoareAnnotationTreeSize, 4371 FomulaSimplifications, 17292 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 70 FomulaSimplificationsInter, 33496 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 3192 NumberOfCodeBlocks, 3192 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4404 ConstructedInterpolants, 0 QuantifiedInterpolants, 1601206 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5104 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 4030/4161 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...