./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/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 0140910feaef212f3eb8993aa9e49d2064d898fa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:40:35,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:40:35,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:40:35,551 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:40:35,551 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:40:35,551 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:40:35,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:40:35,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:40:35,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:40:35,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:40:35,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:40:35,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:40:35,557 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:40:35,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:40:35,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:40:35,558 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:40:35,559 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:40:35,561 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:40:35,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:40:35,563 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:40:35,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:40:35,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:40:35,566 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:40:35,566 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:40:35,567 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:40:35,567 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:40:35,568 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:40:35,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:40:35,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:40:35,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:40:35,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:40:35,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:40:35,570 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:40:35,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:40:35,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:40:35,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:40:35,572 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:40:35,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:40:35,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:40:35,580 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:40:35,580 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:40:35,581 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:40:35,581 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:40:35,581 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:40:35,581 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:40:35,581 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:40:35,581 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:40:35,581 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:40:35,582 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:40:35,582 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:40:35,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:40:35,582 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:40:35,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:40:35,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:40:35,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:40:35,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:40:35,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:40:35,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:40:35,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:40:35,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:40:35,584 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:40:35,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:40:35,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:40:35,584 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:40:35,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:40:35,584 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:40:35,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:40:35,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:40:35,585 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:40:35,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:40:35,585 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:40:35,585 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:40:35,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:40:35,585 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:40:35,586 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_1559033f-f7e6-468c-ab60-e1861ced63a4/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 -> 0140910feaef212f3eb8993aa9e49d2064d898fa [2018-11-18 11:40:35,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:40:35,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:40:35,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:40:35,621 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:40:35,622 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:40:35,622 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c [2018-11-18 11:40:35,666 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/data/b0208a607/f81c1c7f8321462287fc5af57d79f81a/FLAG4b6feea1a [2018-11-18 11:40:36,001 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:40:36,001 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c [2018-11-18 11:40:36,009 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/data/b0208a607/f81c1c7f8321462287fc5af57d79f81a/FLAG4b6feea1a [2018-11-18 11:40:36,017 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/data/b0208a607/f81c1c7f8321462287fc5af57d79f81a [2018-11-18 11:40:36,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:40:36,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:40:36,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:40:36,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:40:36,023 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:40:36,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36, skipping insertion in model container [2018-11-18 11:40:36,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:40:36,064 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:40:36,257 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:40:36,265 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:40:36,367 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:40:36,389 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:40:36,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36 WrapperNode [2018-11-18 11:40:36,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:40:36,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:40:36,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:40:36,391 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:40:36,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:40:36,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:40:36,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:40:36,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:40:36,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... [2018-11-18 11:40:36,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:40:36,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:40:36,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:40:36,455 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:40:36,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:40:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:40:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:40:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:40:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:40:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 11:40:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 11:40:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 11:40:36,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 11:40:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:40:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:40:36,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:40:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 11:40:36,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 11:40:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:40:36,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:40:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:40:36,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:40:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:40:36,494 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:40:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 11:40:36,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 11:40:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 11:40:36,495 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 11:40:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:40:36,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:40:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 11:40:36,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 11:40:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:40:36,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:40:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:40:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:40:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:40:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:40:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:40:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:40:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:40:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:40:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:40:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:40:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:40:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:40:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 11:40:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 11:40:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 11:40:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 11:40:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 11:40:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 11:40:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:40:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:40:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:40:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:40:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:40:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:40:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:40:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:40:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:40:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:40:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:40:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:40:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:40:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:40:36,961 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:40:36,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:40:36 BoogieIcfgContainer [2018-11-18 11:40:36,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:40:36,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:40:36,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:40:36,965 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:40:36,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:40:36" (1/3) ... [2018-11-18 11:40:36,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723d98cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:40:36, skipping insertion in model container [2018-11-18 11:40:36,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:36" (2/3) ... [2018-11-18 11:40:36,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723d98cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:40:36, skipping insertion in model container [2018-11-18 11:40:36,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:40:36" (3/3) ... [2018-11-18 11:40:36,967 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51_true-unreach-call_false-termination.cil.c [2018-11-18 11:40:36,973 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:40:36,978 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:40:36,988 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:40:37,010 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:40:37,010 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:40:37,010 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:40:37,010 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:40:37,010 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:40:37,010 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:40:37,010 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:40:37,010 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:40:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-18 11:40:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 11:40:37,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:37,034 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:37,036 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:37,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:37,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1488373371, now seen corresponding path program 1 times [2018-11-18 11:40:37,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:37,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:37,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:37,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:37,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:40:37,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:37,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:40:37,257 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:37,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:40:37,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:40:37,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:40:37,273 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-18 11:40:37,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:37,305 INFO L93 Difference]: Finished difference Result 288 states and 357 transitions. [2018-11-18 11:40:37,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:40:37,305 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 11:40:37,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:37,315 INFO L225 Difference]: With dead ends: 288 [2018-11-18 11:40:37,315 INFO L226 Difference]: Without dead ends: 146 [2018-11-18 11:40:37,319 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:40:37,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-18 11:40:37,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-18 11:40:37,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-18 11:40:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-11-18 11:40:37,361 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 59 [2018-11-18 11:40:37,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:37,361 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-11-18 11:40:37,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:40:37,362 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-11-18 11:40:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 11:40:37,364 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:37,364 INFO L375 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] [2018-11-18 11:40:37,365 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:37,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:37,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1320342622, now seen corresponding path program 1 times [2018-11-18 11:40:37,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:37,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:37,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:37,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:37,366 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:40:37,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:37,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:40:37,472 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:37,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:40:37,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:40:37,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:40:37,474 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-11-18 11:40:37,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:37,493 INFO L93 Difference]: Finished difference Result 229 states and 269 transitions. [2018-11-18 11:40:37,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:40:37,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 11:40:37,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:37,495 INFO L225 Difference]: With dead ends: 229 [2018-11-18 11:40:37,496 INFO L226 Difference]: Without dead ends: 136 [2018-11-18 11:40:37,496 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:40:37,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-18 11:40:37,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-18 11:40:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-18 11:40:37,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2018-11-18 11:40:37,508 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 61 [2018-11-18 11:40:37,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:37,508 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2018-11-18 11:40:37,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:40:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2018-11-18 11:40:37,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:40:37,510 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:37,510 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:37,510 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:37,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:37,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1114118991, now seen corresponding path program 1 times [2018-11-18 11:40:37,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:37,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:37,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:37,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:37,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:40:37,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:37,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:40:37,662 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:37,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:40:37,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:40:37,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:40:37,663 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 7 states. [2018-11-18 11:40:38,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:38,041 INFO L93 Difference]: Finished difference Result 409 states and 496 transitions. [2018-11-18 11:40:38,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:40:38,041 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 11:40:38,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:38,044 INFO L225 Difference]: With dead ends: 409 [2018-11-18 11:40:38,044 INFO L226 Difference]: Without dead ends: 301 [2018-11-18 11:40:38,045 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:40:38,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-11-18 11:40:38,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 293. [2018-11-18 11:40:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-11-18 11:40:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 355 transitions. [2018-11-18 11:40:38,072 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 355 transitions. Word has length 65 [2018-11-18 11:40:38,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:38,073 INFO L480 AbstractCegarLoop]: Abstraction has 293 states and 355 transitions. [2018-11-18 11:40:38,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:40:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 355 transitions. [2018-11-18 11:40:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 11:40:38,075 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:38,076 INFO L375 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] [2018-11-18 11:40:38,076 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:38,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:38,076 INFO L82 PathProgramCache]: Analyzing trace with hash -828807542, now seen corresponding path program 1 times [2018-11-18 11:40:38,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:38,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:38,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:38,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:38,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:40:38,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:38,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:40:38,172 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:38,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:40:38,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:40:38,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:40:38,173 INFO L87 Difference]: Start difference. First operand 293 states and 355 transitions. Second operand 7 states. [2018-11-18 11:40:38,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:38,667 INFO L93 Difference]: Finished difference Result 742 states and 965 transitions. [2018-11-18 11:40:38,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 11:40:38,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 11:40:38,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:38,671 INFO L225 Difference]: With dead ends: 742 [2018-11-18 11:40:38,671 INFO L226 Difference]: Without dead ends: 477 [2018-11-18 11:40:38,673 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:40:38,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2018-11-18 11:40:38,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 421. [2018-11-18 11:40:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-11-18 11:40:38,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 508 transitions. [2018-11-18 11:40:38,708 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 508 transitions. Word has length 71 [2018-11-18 11:40:38,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:38,709 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 508 transitions. [2018-11-18 11:40:38,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:40:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 508 transitions. [2018-11-18 11:40:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:40:38,711 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:38,711 INFO L375 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] [2018-11-18 11:40:38,711 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:38,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:38,711 INFO L82 PathProgramCache]: Analyzing trace with hash 623669703, now seen corresponding path program 1 times [2018-11-18 11:40:38,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:38,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:38,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:38,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:38,713 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:38,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:40:38,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:38,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:40:38,792 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:38,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:40:38,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:40:38,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:40:38,793 INFO L87 Difference]: Start difference. First operand 421 states and 508 transitions. Second operand 4 states. [2018-11-18 11:40:38,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:38,974 INFO L93 Difference]: Finished difference Result 1514 states and 1944 transitions. [2018-11-18 11:40:38,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:40:38,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-18 11:40:38,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:38,979 INFO L225 Difference]: With dead ends: 1514 [2018-11-18 11:40:38,979 INFO L226 Difference]: Without dead ends: 1121 [2018-11-18 11:40:38,980 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:40:38,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2018-11-18 11:40:39,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1095. [2018-11-18 11:40:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2018-11-18 11:40:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1374 transitions. [2018-11-18 11:40:39,032 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1374 transitions. Word has length 93 [2018-11-18 11:40:39,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:39,032 INFO L480 AbstractCegarLoop]: Abstraction has 1095 states and 1374 transitions. [2018-11-18 11:40:39,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:40:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1374 transitions. [2018-11-18 11:40:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:40:39,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:39,034 INFO L375 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] [2018-11-18 11:40:39,034 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:39,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1101811194, now seen corresponding path program 1 times [2018-11-18 11:40:39,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:39,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:39,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:39,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:39,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:40:39,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:39,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:40:39,102 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:39,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:40:39,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:40:39,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:40:39,103 INFO L87 Difference]: Start difference. First operand 1095 states and 1374 transitions. Second operand 6 states. [2018-11-18 11:40:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:39,152 INFO L93 Difference]: Finished difference Result 2192 states and 2810 transitions. [2018-11-18 11:40:39,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:40:39,152 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-18 11:40:39,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:39,156 INFO L225 Difference]: With dead ends: 2192 [2018-11-18 11:40:39,156 INFO L226 Difference]: Without dead ends: 1125 [2018-11-18 11:40:39,159 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:40:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2018-11-18 11:40:39,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1125. [2018-11-18 11:40:39,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1125 states. [2018-11-18 11:40:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1406 transitions. [2018-11-18 11:40:39,195 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1406 transitions. Word has length 93 [2018-11-18 11:40:39,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:39,196 INFO L480 AbstractCegarLoop]: Abstraction has 1125 states and 1406 transitions. [2018-11-18 11:40:39,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:40:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1406 transitions. [2018-11-18 11:40:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:40:39,198 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:39,198 INFO L375 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] [2018-11-18 11:40:39,198 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:39,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:39,198 INFO L82 PathProgramCache]: Analyzing trace with hash -400211320, now seen corresponding path program 1 times [2018-11-18 11:40:39,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:39,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:39,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:39,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:39,199 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:39,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:40:39,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:39,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 11:40:39,271 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:39,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:40:39,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:40:39,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:40:39,271 INFO L87 Difference]: Start difference. First operand 1125 states and 1406 transitions. Second operand 8 states. [2018-11-18 11:40:39,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:39,314 INFO L93 Difference]: Finished difference Result 2081 states and 2671 transitions. [2018-11-18 11:40:39,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:40:39,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-18 11:40:39,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:39,318 INFO L225 Difference]: With dead ends: 2081 [2018-11-18 11:40:39,318 INFO L226 Difference]: Without dead ends: 984 [2018-11-18 11:40:39,320 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:40:39,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2018-11-18 11:40:39,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 984. [2018-11-18 11:40:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2018-11-18 11:40:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1207 transitions. [2018-11-18 11:40:39,351 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1207 transitions. Word has length 93 [2018-11-18 11:40:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:39,351 INFO L480 AbstractCegarLoop]: Abstraction has 984 states and 1207 transitions. [2018-11-18 11:40:39,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:40:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1207 transitions. [2018-11-18 11:40:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 11:40:39,353 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:39,353 INFO L375 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] [2018-11-18 11:40:39,353 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:39,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:39,353 INFO L82 PathProgramCache]: Analyzing trace with hash 910442947, now seen corresponding path program 1 times [2018-11-18 11:40:39,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:39,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:39,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:39,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:39,354 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:40:39,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:39,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 11:40:39,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:39,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:40:39,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:40:39,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:40:39,454 INFO L87 Difference]: Start difference. First operand 984 states and 1207 transitions. Second operand 9 states. [2018-11-18 11:40:40,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:40,094 INFO L93 Difference]: Finished difference Result 2680 states and 3448 transitions. [2018-11-18 11:40:40,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 11:40:40,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2018-11-18 11:40:40,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:40,099 INFO L225 Difference]: With dead ends: 2680 [2018-11-18 11:40:40,099 INFO L226 Difference]: Without dead ends: 1909 [2018-11-18 11:40:40,101 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:40:40,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2018-11-18 11:40:40,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1683. [2018-11-18 11:40:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1683 states. [2018-11-18 11:40:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2034 transitions. [2018-11-18 11:40:40,158 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2034 transitions. Word has length 97 [2018-11-18 11:40:40,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:40,158 INFO L480 AbstractCegarLoop]: Abstraction has 1683 states and 2034 transitions. [2018-11-18 11:40:40,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:40:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2034 transitions. [2018-11-18 11:40:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 11:40:40,161 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:40,162 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:40,162 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:40,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:40,162 INFO L82 PathProgramCache]: Analyzing trace with hash 742659108, now seen corresponding path program 1 times [2018-11-18 11:40:40,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:40,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:40,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:40,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:40,163 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:40:40,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:40:40,269 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:40:40,269 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-11-18 11:40:40,271 INFO L202 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], [76], [80], [81], [82], [85], [87], [93], [97], [100], [101], [102], [106], [112], [116], [120], [123], [126], [128], [134], [136], [139], [155], [156], [157], [158], [159], [160], [161], [162], [163], [165], [170], [172], [173], [211], [214], [218], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [257], [261], [262], [265], [266], [267], [268], [269], [270], [271], [273], [274], [275], [276], [277], [278], [279], [280], [281], [285], [286], [287], [288], [289], [291], [292], [295], [296], [297], [298], [299], [300], [305], [306], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [327], [328], [329], [330], [333], [334] [2018-11-18 11:40:40,295 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:40:40,295 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:40:41,698 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:40:41,699 INFO L272 AbstractInterpreter]: Visited 126 different actions 612 times. Merged at 19 different actions 59 times. Never widened. Performed 20924 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20924 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 134 variables. [2018-11-18 11:40:41,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:41,706 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:40:41,706 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:40:41,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:40:41,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:41,719 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:40:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:41,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:40:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:40:41,902 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:40:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:40:42,187 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:40:42,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 11:40:42,187 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:40:42,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 11:40:42,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 11:40:42,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:40:42,188 INFO L87 Difference]: Start difference. First operand 1683 states and 2034 transitions. Second operand 16 states. [2018-11-18 11:40:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:43,322 INFO L93 Difference]: Finished difference Result 3845 states and 4852 transitions. [2018-11-18 11:40:43,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 11:40:43,323 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2018-11-18 11:40:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:43,333 INFO L225 Difference]: With dead ends: 3845 [2018-11-18 11:40:43,333 INFO L226 Difference]: Without dead ends: 2369 [2018-11-18 11:40:43,337 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 310 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 11:40:43,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2018-11-18 11:40:43,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2123. [2018-11-18 11:40:43,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2018-11-18 11:40:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2535 transitions. [2018-11-18 11:40:43,456 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2535 transitions. Word has length 159 [2018-11-18 11:40:43,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:43,456 INFO L480 AbstractCegarLoop]: Abstraction has 2123 states and 2535 transitions. [2018-11-18 11:40:43,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 11:40:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2535 transitions. [2018-11-18 11:40:43,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-18 11:40:43,463 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:43,463 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 11:40:43,463 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:43,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:43,464 INFO L82 PathProgramCache]: Analyzing trace with hash -922445474, now seen corresponding path program 1 times [2018-11-18 11:40:43,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:43,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:43,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:43,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:43,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 98 proven. 16 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-18 11:40:43,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:40:43,601 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:40:43,601 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-11-18 11:40:43,601 INFO L202 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], [75], [76], [80], [81], [82], [85], [87], [90], [93], [97], [100], [101], [102], [106], [112], [116], [120], [123], [126], [128], [134], [136], [139], [155], [156], [157], [158], [159], [160], [161], [162], [163], [165], [170], [172], [173], [211], [214], [218], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [257], [259], [261], [262], [265], [266], [267], [268], [269], [270], [271], [273], [274], [275], [276], [277], [278], [279], [280], [281], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [305], [306], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [327], [328], [329], [330], [333], [334] [2018-11-18 11:40:43,604 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:40:43,605 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:40:45,172 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:40:45,172 INFO L272 AbstractInterpreter]: Visited 132 different actions 769 times. Merged at 20 different actions 83 times. Never widened. Performed 32864 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32864 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 16 fixpoints after 4 different actions. Largest state had 134 variables. [2018-11-18 11:40:45,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:45,180 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:40:45,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:40:45,180 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:40:45,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:45,188 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:40:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:45,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:40:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 205 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 11:40:45,521 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:40:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 79 proven. 34 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 11:40:46,070 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:40:46,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 11:40:46,070 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:40:46,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 11:40:46,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 11:40:46,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 11:40:46,071 INFO L87 Difference]: Start difference. First operand 2123 states and 2535 transitions. Second operand 18 states. [2018-11-18 11:40:48,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:48,048 INFO L93 Difference]: Finished difference Result 5771 states and 7261 transitions. [2018-11-18 11:40:48,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-18 11:40:48,049 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 281 [2018-11-18 11:40:48,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:48,057 INFO L225 Difference]: With dead ends: 5771 [2018-11-18 11:40:48,057 INFO L226 Difference]: Without dead ends: 3118 [2018-11-18 11:40:48,062 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 551 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-11-18 11:40:48,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3118 states. [2018-11-18 11:40:48,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3118 to 2918. [2018-11-18 11:40:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2918 states. [2018-11-18 11:40:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 3426 transitions. [2018-11-18 11:40:48,168 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 3426 transitions. Word has length 281 [2018-11-18 11:40:48,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:48,168 INFO L480 AbstractCegarLoop]: Abstraction has 2918 states and 3426 transitions. [2018-11-18 11:40:48,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 11:40:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3426 transitions. [2018-11-18 11:40:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:40:48,174 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:48,174 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:48,174 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:48,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:48,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1026278456, now seen corresponding path program 1 times [2018-11-18 11:40:48,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:48,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:48,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:48,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:48,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 110 proven. 15 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-11-18 11:40:48,284 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:40:48,284 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:40:48,285 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 342 with the following transitions: [2018-11-18 11:40:48,285 INFO L202 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], [75], [76], [80], [81], [82], [85], [87], [90], [93], [97], [100], [101], [102], [106], [112], [116], [120], [123], [126], [128], [134], [136], [139], [141], [144], [155], [156], [157], [158], [159], [160], [161], [162], [163], [165], [170], [172], [173], [211], [214], [218], [221], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [257], [261], [262], [265], [266], [267], [268], [269], [270], [271], [273], [274], [275], [276], [277], [278], [279], [280], [281], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [303], [304], [305], [306], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [327], [328], [329], [330], [333], [334] [2018-11-18 11:40:48,288 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:40:48,288 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:40:50,334 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:40:50,334 INFO L272 AbstractInterpreter]: Visited 141 different actions 1241 times. Merged at 29 different actions 180 times. Widened at 1 different actions 2 times. Performed 56841 root evaluator evaluations with a maximum evaluation depth of 5. Performed 56841 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 49 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-18 11:40:50,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:50,340 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:40:50,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:40:50,340 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:40:50,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:50,346 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:40:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:50,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:40:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 11:40:50,497 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:40:50,639 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2018-11-18 11:40:50,654 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:40:50,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 11:40:50,654 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:50,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:40:50,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:40:50,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:40:50,655 INFO L87 Difference]: Start difference. First operand 2918 states and 3426 transitions. Second operand 3 states. [2018-11-18 11:40:50,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:50,815 INFO L93 Difference]: Finished difference Result 3469 states and 4091 transitions. [2018-11-18 11:40:50,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:40:50,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2018-11-18 11:40:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:50,821 INFO L225 Difference]: With dead ends: 3469 [2018-11-18 11:40:50,821 INFO L226 Difference]: Without dead ends: 1205 [2018-11-18 11:40:50,825 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:40:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2018-11-18 11:40:50,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1192. [2018-11-18 11:40:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2018-11-18 11:40:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1361 transitions. [2018-11-18 11:40:50,883 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1361 transitions. Word has length 341 [2018-11-18 11:40:50,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:50,884 INFO L480 AbstractCegarLoop]: Abstraction has 1192 states and 1361 transitions. [2018-11-18 11:40:50,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:40:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1361 transitions. [2018-11-18 11:40:50,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-11-18 11:40:50,890 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:50,890 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:50,890 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:50,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:50,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1565676119, now seen corresponding path program 1 times [2018-11-18 11:40:50,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:40:50,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:50,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:50,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:50,892 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:40:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-11-18 11:40:51,041 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:40:51,042 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:40:51,042 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 363 with the following transitions: [2018-11-18 11:40:51,042 INFO L202 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], [75], [76], [79], [80], [81], [82], [85], [87], [90], [93], [97], [100], [101], [102], [106], [112], [116], [120], [123], [126], [128], [134], [136], [139], [155], [156], [157], [158], [159], [160], [161], [162], [163], [165], [168], [170], [172], [173], [211], [214], [218], [224], [227], [231], [232], [236], [239], [241], [244], [247], [251], [254], [257], [261], [262], [265], [266], [267], [268], [269], [270], [271], [273], [274], [275], [276], [277], [278], [279], [280], [281], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [305], [306], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [327], [328], [329], [330], [331], [332], [333], [334] [2018-11-18 11:40:51,044 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:40:51,044 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:40:53,692 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:40:53,693 INFO L272 AbstractInterpreter]: Visited 138 different actions 1853 times. Merged at 40 different actions 433 times. Widened at 1 different actions 1 times. Performed 69783 root evaluator evaluations with a maximum evaluation depth of 5. Performed 69783 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 98 fixpoints after 10 different actions. Largest state had 134 variables. [2018-11-18 11:40:53,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:53,696 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:40:53,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:40:53,697 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:40:53,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:53,704 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:40:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:53,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:40:54,006 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-11-18 11:40:54,006 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:40:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-11-18 11:40:54,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:40:54,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 11:40:54,296 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:40:54,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:40:54,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:40:54,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:40:54,297 INFO L87 Difference]: Start difference. First operand 1192 states and 1361 transitions. Second operand 6 states. [2018-11-18 11:40:54,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:54,331 INFO L93 Difference]: Finished difference Result 1446 states and 1640 transitions. [2018-11-18 11:40:54,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:40:54,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 362 [2018-11-18 11:40:54,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:54,333 INFO L225 Difference]: With dead ends: 1446 [2018-11-18 11:40:54,333 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:40:54,334 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 719 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 11:40:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:40:54,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:40:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:40:54,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:40:54,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2018-11-18 11:40:54,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:54,335 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:40:54,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:40:54,335 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:40:54,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:40:54,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:40:54,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:54,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:40:55,738 WARN L180 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 49 [2018-11-18 11:40:55,991 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2018-11-18 11:40:56,334 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 32 [2018-11-18 11:40:56,568 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2018-11-18 11:40:56,898 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 40 [2018-11-18 11:40:57,020 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2018-11-18 11:40:57,331 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 49 [2018-11-18 11:40:57,788 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 34 [2018-11-18 11:40:57,897 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 35 [2018-11-18 11:40:58,135 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 38 [2018-11-18 11:40:58,326 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 32 [2018-11-18 11:40:58,616 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 53 [2018-11-18 11:40:58,618 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 457 463) the Hoare annotation is: true [2018-11-18 11:40:58,618 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 457 463) no Hoare annotation was computed. [2018-11-18 11:40:58,618 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 464 472) no Hoare annotation was computed. [2018-11-18 11:40:58,618 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 464 472) the Hoare annotation is: true [2018-11-18 11:40:58,618 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 464 472) no Hoare annotation was computed. [2018-11-18 11:40:58,618 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 954 961) 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))) [2018-11-18 11:40:58,618 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 954 961) no Hoare annotation was computed. [2018-11-18 11:40:58,618 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 954 961) no Hoare annotation was computed. [2018-11-18 11:40:58,618 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 962 971) 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))) [2018-11-18 11:40:58,618 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 962 971) no Hoare annotation was computed. [2018-11-18 11:40:58,618 INFO L425 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2018-11-18 11:40:58,618 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 962 971) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L421 ceAbstractionStarter]: At program point L987(line 987) 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))) [2018-11-18 11:40:58,619 INFO L425 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L425 ceAbstractionStarter]: For program point L984(lines 984 994) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L421 ceAbstractionStarter]: At program point L982(line 982) 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))))) [2018-11-18 11:40:58,619 INFO L425 ceAbstractionStarter]: For program point L982-1(line 982) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L425 ceAbstractionStarter]: For program point L980(lines 980 997) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L425 ceAbstractionStarter]: For program point L980-1(lines 972 1000) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L428 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-11-18 11:40:58,619 INFO L425 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 972 1000) the Hoare annotation is: true [2018-11-18 11:40:58,619 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 972 1000) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L421 ceAbstractionStarter]: At program point L354-1(line 354) 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))) [2018-11-18 11:40:58,619 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 348 370) 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))) [2018-11-18 11:40:58,619 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 348 370) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 348 370) no Hoare annotation was computed. [2018-11-18 11:40:58,619 INFO L421 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:40:58,619 INFO L421 ceAbstractionStarter]: At program point L360-1(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 365) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point L358-1(lines 358 365) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point L356(line 356) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L421 ceAbstractionStarter]: At program point L355(line 355) 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))) [2018-11-18 11:40:58,620 INFO L421 ceAbstractionStarter]: At program point L354(line 354) 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))) [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 252 266) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 262) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 252 266) 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))))) [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 252 266) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L421 ceAbstractionStarter]: At program point L258(line 258) 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)))) [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L428 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-11-18 11:40:58,620 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2018-11-18 11:40:58,620 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point L242(lines 242 246) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 450 456) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 450 456) the Hoare annotation is: true [2018-11-18 11:40:58,621 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 334 344) 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))) [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 334 344) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 334 344) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L421 ceAbstractionStarter]: At program point L339(line 339) 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))) [2018-11-18 11:40:58,621 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 150 157) 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)))) [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 920 933) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 920 933) the Hoare annotation is: true [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 920 933) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L421 ceAbstractionStarter]: At program point L127(line 127) 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 (and (<= 1 processEnvironment_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L421 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2018-11-18 11:40:58,621 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2018-11-18 11:40:58,622 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 117 141) 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))) [2018-11-18 11:40:58,622 INFO L421 ceAbstractionStarter]: At program point L136(line 136) 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))) [2018-11-18 11:40:58,622 INFO L425 ceAbstractionStarter]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2018-11-18 11:40:58,622 INFO L421 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 11:40:58,622 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:40:58,622 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2018-11-18 11:40:58,622 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 388) no Hoare annotation was computed. [2018-11-18 11:40:58,622 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 372 437) 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))) [2018-11-18 11:40:58,622 INFO L425 ceAbstractionStarter]: For program point L382-1(lines 382 429) no Hoare annotation was computed. [2018-11-18 11:40:58,622 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 372 437) no Hoare annotation was computed. [2018-11-18 11:40:58,622 INFO L421 ceAbstractionStarter]: At program point L430(lines 381 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:40:58,622 INFO L421 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.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 .cse5 .cse1 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse5 .cse1) (and .cse0 (= 2 ~waterLevel~0) .cse1) (and (<= 2 ~waterLevel~0) (and .cse2 .cse3 .cse1) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:40:58,623 INFO L425 ceAbstractionStarter]: For program point L418(lines 418 424) no Hoare annotation was computed. [2018-11-18 11:40:58,623 INFO L421 ceAbstractionStarter]: At program point L418-1(lines 412 425) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and (and .cse3 .cse0 .cse2) .cse4) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and (<= ~waterLevel~0 1) (and .cse3 .cse2) .cse4) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:40:58,623 INFO L425 ceAbstractionStarter]: For program point L383(lines 382 429) no Hoare annotation was computed. [2018-11-18 11:40:58,623 INFO L425 ceAbstractionStarter]: For program point L412(lines 412 425) no Hoare annotation was computed. [2018-11-18 11:40:58,623 INFO L421 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and (and (and .cse3 .cse0 .cse2) .cse5) .cse6) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse6 .cse5) (and .cse3 (<= ~waterLevel~0 0) .cse2 .cse6 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:40:58,623 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 408) no Hoare annotation was computed. [2018-11-18 11:40:58,623 INFO L425 ceAbstractionStarter]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2018-11-18 11:40:58,623 INFO L421 ceAbstractionStarter]: At program point L427(lines 382 429) 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 .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse0 (<= ~waterLevel~0 2) .cse2 (= 0 ~systemActive~0) .cse4) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:40:58,623 INFO L421 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse5 (and .cse3 .cse1 .cse2)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse3 .cse2) (= 0 ~systemActive~0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse4) (and .cse5 (= 1 ~waterLevel~0)) (and .cse5 .cse0 .cse4) (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 11:40:58,623 INFO L425 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2018-11-18 11:40:58,623 INFO L425 ceAbstractionStarter]: For program point L392-1(lines 392 398) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 372 437) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 934 942) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 934 942) the Hoare annotation is: true [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 934 942) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 142 149) 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))) [2018-11-18 11:40:58,624 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 911 919) the Hoare annotation is: true [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L428 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: true [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point L221-1(line 221) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2018-11-18 11:40:58,624 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2018-11-18 11:40:58,624 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: true [2018-11-18 11:40:58,625 INFO L425 ceAbstractionStarter]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2018-11-18 11:40:58,625 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2018-11-18 11:40:58,625 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 269 298) no Hoare annotation was computed. [2018-11-18 11:40:58,625 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 287) no Hoare annotation was computed. [2018-11-18 11:40:58,625 INFO L428 ceAbstractionStarter]: At program point L283-1(lines 283 287) the Hoare annotation is: true [2018-11-18 11:40:58,625 INFO L425 ceAbstractionStarter]: For program point L279-1(lines 279 293) no Hoare annotation was computed. [2018-11-18 11:40:58,625 INFO L428 ceAbstractionStarter]: At program point L279-3(lines 279 293) the Hoare annotation is: true [2018-11-18 11:40:58,625 INFO L428 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: true [2018-11-18 11:40:58,625 INFO L425 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-11-18 11:40:58,625 INFO L428 ceAbstractionStarter]: At program point L294(lines 269 298) the Hoare annotation is: true [2018-11-18 11:40:58,625 INFO L425 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2018-11-18 11:40:58,625 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 269 298) the Hoare annotation is: true [2018-11-18 11:40:58,625 INFO L425 ceAbstractionStarter]: For program point L280(line 280) no Hoare annotation was computed. [2018-11-18 11:40:58,625 INFO L421 ceAbstractionStarter]: At program point L65(line 65) 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)|)))))) [2018-11-18 11:40:58,625 INFO L425 ceAbstractionStarter]: For program point L63(lines 59 81) no Hoare annotation was computed. [2018-11-18 11:40:58,626 INFO L425 ceAbstractionStarter]: For program point L61(lines 59 81) no Hoare annotation was computed. [2018-11-18 11:40:58,626 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 82) 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)))) [2018-11-18 11:40:58,626 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2018-11-18 11:40:58,626 INFO L421 ceAbstractionStarter]: At program point L72(line 72) 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)))))) [2018-11-18 11:40:58,626 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2018-11-18 11:40:58,626 INFO L421 ceAbstractionStarter]: At program point L70(lines 70 76) 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)))) [2018-11-18 11:40:58,626 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 11:40:58,626 INFO L425 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-11-18 11:40:58,626 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-11-18 11:40:58,627 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 325 331) no Hoare annotation was computed. [2018-11-18 11:40:58,627 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 325 331) the Hoare annotation is: true [2018-11-18 11:40:58,627 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:40:58,627 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 11:40:58,627 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:40:58,627 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:40:58,627 INFO L421 ceAbstractionStarter]: At program point L97(line 97) 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))) [2018-11-18 11:40:58,627 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) 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))) [2018-11-18 11:40:58,627 INFO L425 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-11-18 11:40:58,627 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2018-11-18 11:40:58,627 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2018-11-18 11:40:58,628 INFO L421 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 11:40:58,628 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2018-11-18 11:40:58,628 INFO L421 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 11:40:58,628 INFO L421 ceAbstractionStarter]: At program point L101(line 101) 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)))) [2018-11-18 11:40:58,628 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2018-11-18 11:40:58,628 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2018-11-18 11:40:58,628 INFO L425 ceAbstractionStarter]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2018-11-18 11:40:58,628 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 855 866) 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))) [2018-11-18 11:40:58,628 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 944 951) no Hoare annotation was computed. [2018-11-18 11:40:58,628 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 944 951) the Hoare annotation is: true [2018-11-18 11:40:58,629 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 944 951) no Hoare annotation was computed. [2018-11-18 11:40:58,629 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2018-11-18 11:40:58,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:40:58 BoogieIcfgContainer [2018-11-18 11:40:58,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:40:58,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:40:58,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:40:58,639 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:40:58,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:40:36" (3/4) ... [2018-11-18 11:40:58,642 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:40:58,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:40:58,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:40:58,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 11:40:58,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 11:40:58,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 11:40:58,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:40:58,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 11:40:58,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:40:58,648 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 11:40:58,649 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:40:58,649 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:40:58,649 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:40:58,649 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:40:58,649 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:40:58,649 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:40:58,649 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:40:58,649 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:40:58,655 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 11:40:58,655 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:40:58,655 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:40:58,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 2) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 11:40:58,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 11:40:58,711 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1559033f-f7e6-468c-ab60-e1861ced63a4/bin-2019/utaipan/witness.graphml [2018-11-18 11:40:58,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:40:58,712 INFO L168 Benchmark]: Toolchain (without parser) took 22693.10 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 957.6 MB in the beginning and 1.9 GB in the end (delta: -931.8 MB). Peak memory consumption was 604.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:58,713 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:58,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -200.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:58,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:58,713 INFO L168 Benchmark]: Boogie Preprocessor took 33.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:58,714 INFO L168 Benchmark]: RCFGBuilder took 505.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:58,714 INFO L168 Benchmark]: TraceAbstraction took 21676.34 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -800.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 11:40:58,714 INFO L168 Benchmark]: Witness Printer took 73.27 ms. Allocated memory is still 2.6 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:58,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -200.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 505.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21676.34 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -800.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 73.27 ms. Allocated memory is still 2.6 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 2) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 21.6s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2500 SDtfs, 2438 SDslu, 7234 SDs, 0 SdLazy, 5433 SolverSat, 1169 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2476 GetRequests, 2300 SyntacticMatches, 22 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2918occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.7s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 775 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 4533 PreInvPairs, 4739 NumberOfFragments, 2420 HoareAnnotationTreeSize, 4533 FomulaSimplifications, 16910 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 35340 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2918 NumberOfCodeBlocks, 2918 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4041 ConstructedInterpolants, 0 QuantifiedInterpolants, 1394165 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4529 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 3974/4107 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...