./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/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 aba800ab301c8226900a4d7cbc461b1db848e476 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:31:59,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:31:59,776 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:31:59,782 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:31:59,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:31:59,782 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:31:59,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:31:59,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:31:59,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:31:59,785 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:31:59,785 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:31:59,786 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:31:59,786 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:31:59,787 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:31:59,787 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:31:59,787 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:31:59,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:31:59,789 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:31:59,790 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:31:59,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:31:59,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:31:59,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:31:59,793 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:31:59,793 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:31:59,793 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:31:59,794 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:31:59,794 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:31:59,794 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:31:59,795 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:31:59,795 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:31:59,796 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:31:59,796 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:31:59,796 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:31:59,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:31:59,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:31:59,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:31:59,797 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:31:59,804 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:31:59,805 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:31:59,805 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:31:59,805 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:31:59,805 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:31:59,806 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:31:59,806 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:31:59,806 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:31:59,806 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:31:59,806 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:31:59,806 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:31:59,806 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:31:59,806 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:31:59,807 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:31:59,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:31:59,808 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:31:59,808 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:31:59,808 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:31:59,808 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:31:59,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:31:59,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:31:59,808 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:31:59,808 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:31:59,808 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:31:59,808 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:31:59,809 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:31:59,809 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:31:59,809 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_d20dd70f-33dc-418e-9da3-450f7b61e9b6/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 -> aba800ab301c8226900a4d7cbc461b1db848e476 [2018-12-09 19:31:59,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:31:59,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:31:59,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:31:59,836 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:31:59,836 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:31:59,836 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c [2018-12-09 19:31:59,871 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/data/ada99eeb5/1516d61c24924067bc244709b16b1d28/FLAGe8b3f2e2a [2018-12-09 19:32:00,300 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:32:00,301 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c [2018-12-09 19:32:00,306 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/data/ada99eeb5/1516d61c24924067bc244709b16b1d28/FLAGe8b3f2e2a [2018-12-09 19:32:00,314 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/data/ada99eeb5/1516d61c24924067bc244709b16b1d28 [2018-12-09 19:32:00,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:32:00,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:32:00,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:32:00,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:32:00,320 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:32:00,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00, skipping insertion in model container [2018-12-09 19:32:00,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:32:00,348 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:32:00,502 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:32:00,556 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:32:00,614 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:32:00,630 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:32:00,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00 WrapperNode [2018-12-09 19:32:00,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:32:00,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:32:00,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:32:00,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:32:00,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:32:00,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:32:00,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:32:00,652 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:32:00,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... [2018-12-09 19:32:00,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:32:00,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:32:00,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:32:00,673 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:32:00,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:32:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:32:00,704 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:32:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:32:00,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:32:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 19:32:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 19:32:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:32:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:32:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:32:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 19:32:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 19:32:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:32:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:32:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:32:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:32:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:32:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:32:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:32:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:32:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 19:32:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 19:32:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 19:32:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 19:32:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 19:32:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 19:32:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 19:32:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 19:32:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:32:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:32:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:32:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:32:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:32:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:32:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:32:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:32:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 19:32:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 19:32:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:32:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:32:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:32:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:32:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:32:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:32:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:32:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:32:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 19:32:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 19:32:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 19:32:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 19:32:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 19:32:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 19:32:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:32:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:32:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:32:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:32:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:32:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:32:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:32:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:32:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:32:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:32:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:32:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:32:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:32:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:32:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:32:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:32:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:32:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:32:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:32:01,034 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:32:01,034 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:32:01,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:32:01 BoogieIcfgContainer [2018-12-09 19:32:01,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:32:01,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:32:01,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:32:01,037 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:32:01,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:32:00" (1/3) ... [2018-12-09 19:32:01,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c26190e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:32:01, skipping insertion in model container [2018-12-09 19:32:01,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:32:00" (2/3) ... [2018-12-09 19:32:01,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c26190e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:32:01, skipping insertion in model container [2018-12-09 19:32:01,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:32:01" (3/3) ... [2018-12-09 19:32:01,039 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62_true-unreach-call_false-termination.cil.c [2018-12-09 19:32:01,044 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:32:01,049 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:32:01,057 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:32:01,075 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:32:01,075 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:32:01,075 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:32:01,075 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:32:01,075 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:32:01,075 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:32:01,075 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:32:01,075 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:32:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2018-12-09 19:32:01,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:32:01,091 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:01,092 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:01,093 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:01,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:01,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1485399155, now seen corresponding path program 1 times [2018-12-09 19:32:01,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:01,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:01,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:01,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:01,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:32:01,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:32:01,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:32:01,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:01,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:32:01,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:32:01,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:32:01,250 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 2 states. [2018-12-09 19:32:01,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:01,276 INFO L93 Difference]: Finished difference Result 330 states and 407 transitions. [2018-12-09 19:32:01,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:32:01,277 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 19:32:01,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:01,284 INFO L225 Difference]: With dead ends: 330 [2018-12-09 19:32:01,285 INFO L226 Difference]: Without dead ends: 167 [2018-12-09 19:32:01,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:32:01,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-12-09 19:32:01,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-12-09 19:32:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-12-09 19:32:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 197 transitions. [2018-12-09 19:32:01,319 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 197 transitions. Word has length 59 [2018-12-09 19:32:01,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:01,320 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 197 transitions. [2018-12-09 19:32:01,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:32:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2018-12-09 19:32:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:32:01,322 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:01,322 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:01,322 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:01,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:01,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1683174835, now seen corresponding path program 1 times [2018-12-09 19:32:01,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:01,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:01,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:01,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:01,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:32:01,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:32:01,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:32:01,377 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:01,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:32:01,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:32:01,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:32:01,378 INFO L87 Difference]: Start difference. First operand 167 states and 197 transitions. Second operand 3 states. [2018-12-09 19:32:01,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:01,396 INFO L93 Difference]: Finished difference Result 275 states and 325 transitions. [2018-12-09 19:32:01,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:32:01,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 19:32:01,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:01,398 INFO L225 Difference]: With dead ends: 275 [2018-12-09 19:32:01,398 INFO L226 Difference]: Without dead ends: 158 [2018-12-09 19:32:01,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:32:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-12-09 19:32:01,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-12-09 19:32:01,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-12-09 19:32:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 185 transitions. [2018-12-09 19:32:01,407 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 185 transitions. Word has length 60 [2018-12-09 19:32:01,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:01,407 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 185 transitions. [2018-12-09 19:32:01,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:32:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 185 transitions. [2018-12-09 19:32:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:32:01,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:01,409 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:01,409 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:01,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:01,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1050347258, now seen corresponding path program 1 times [2018-12-09 19:32:01,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:01,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:01,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:01,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:01,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:32:01,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:32:01,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:32:01,502 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:01,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:32:01,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:32:01,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:32:01,503 INFO L87 Difference]: Start difference. First operand 158 states and 185 transitions. Second operand 7 states. [2018-12-09 19:32:01,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:01,713 INFO L93 Difference]: Finished difference Result 288 states and 343 transitions. [2018-12-09 19:32:01,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:32:01,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-09 19:32:01,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:01,714 INFO L225 Difference]: With dead ends: 288 [2018-12-09 19:32:01,715 INFO L226 Difference]: Without dead ends: 158 [2018-12-09 19:32:01,715 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:32:01,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-12-09 19:32:01,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-12-09 19:32:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-12-09 19:32:01,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2018-12-09 19:32:01,724 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 65 [2018-12-09 19:32:01,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:01,725 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2018-12-09 19:32:01,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:32:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2018-12-09 19:32:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 19:32:01,727 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:01,727 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:01,727 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:01,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:01,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1487260084, now seen corresponding path program 1 times [2018-12-09 19:32:01,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:01,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:01,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:01,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:01,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:32:01,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:32:01,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:32:01,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:01,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:32:01,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:32:01,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:32:01,793 INFO L87 Difference]: Start difference. First operand 158 states and 184 transitions. Second operand 5 states. [2018-12-09 19:32:02,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:02,163 INFO L93 Difference]: Finished difference Result 412 states and 496 transitions. [2018-12-09 19:32:02,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:32:02,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-12-09 19:32:02,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:02,165 INFO L225 Difference]: With dead ends: 412 [2018-12-09 19:32:02,165 INFO L226 Difference]: Without dead ends: 282 [2018-12-09 19:32:02,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:32:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-12-09 19:32:02,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 263. [2018-12-09 19:32:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-12-09 19:32:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 298 transitions. [2018-12-09 19:32:02,181 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 298 transitions. Word has length 83 [2018-12-09 19:32:02,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:02,182 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 298 transitions. [2018-12-09 19:32:02,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:32:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 298 transitions. [2018-12-09 19:32:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 19:32:02,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:02,183 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:02,184 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:02,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:02,184 INFO L82 PathProgramCache]: Analyzing trace with hash -839899667, now seen corresponding path program 1 times [2018-12-09 19:32:02,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:02,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:02,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:02,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:02,185 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:32:02,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:32:02,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:32:02,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:02,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:32:02,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:32:02,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:32:02,252 INFO L87 Difference]: Start difference. First operand 263 states and 298 transitions. Second operand 7 states. [2018-12-09 19:32:02,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:02,610 INFO L93 Difference]: Finished difference Result 516 states and 601 transitions. [2018-12-09 19:32:02,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 19:32:02,611 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2018-12-09 19:32:02,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:02,612 INFO L225 Difference]: With dead ends: 516 [2018-12-09 19:32:02,613 INFO L226 Difference]: Without dead ends: 281 [2018-12-09 19:32:02,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:32:02,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-12-09 19:32:02,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 262. [2018-12-09 19:32:02,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-12-09 19:32:02,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 295 transitions. [2018-12-09 19:32:02,633 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 295 transitions. Word has length 97 [2018-12-09 19:32:02,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:02,633 INFO L480 AbstractCegarLoop]: Abstraction has 262 states and 295 transitions. [2018-12-09 19:32:02,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:32:02,633 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 295 transitions. [2018-12-09 19:32:02,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 19:32:02,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:02,635 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:02,635 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:02,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:02,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1957135072, now seen corresponding path program 1 times [2018-12-09 19:32:02,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:02,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:02,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:02,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:02,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:32:02,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:32:02,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:32:02,693 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:02,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:32:02,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:32:02,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:32:02,694 INFO L87 Difference]: Start difference. First operand 262 states and 295 transitions. Second operand 6 states. [2018-12-09 19:32:02,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:02,716 INFO L93 Difference]: Finished difference Result 503 states and 580 transitions. [2018-12-09 19:32:02,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:32:02,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-12-09 19:32:02,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:02,718 INFO L225 Difference]: With dead ends: 503 [2018-12-09 19:32:02,718 INFO L226 Difference]: Without dead ends: 269 [2018-12-09 19:32:02,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:32:02,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-12-09 19:32:02,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 267. [2018-12-09 19:32:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-12-09 19:32:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 300 transitions. [2018-12-09 19:32:02,729 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 300 transitions. Word has length 113 [2018-12-09 19:32:02,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:02,729 INFO L480 AbstractCegarLoop]: Abstraction has 267 states and 300 transitions. [2018-12-09 19:32:02,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:32:02,729 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 300 transitions. [2018-12-09 19:32:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 19:32:02,730 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:02,730 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:02,731 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:02,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:02,731 INFO L82 PathProgramCache]: Analyzing trace with hash -398670178, now seen corresponding path program 1 times [2018-12-09 19:32:02,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:02,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:02,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:02,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:02,732 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:32:02,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:32:02,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 19:32:02,783 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:02,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:32:02,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:32:02,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:32:02,784 INFO L87 Difference]: Start difference. First operand 267 states and 300 transitions. Second operand 8 states. [2018-12-09 19:32:02,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:02,817 INFO L93 Difference]: Finished difference Result 513 states and 591 transitions. [2018-12-09 19:32:02,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:32:02,817 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2018-12-09 19:32:02,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:02,819 INFO L225 Difference]: With dead ends: 513 [2018-12-09 19:32:02,819 INFO L226 Difference]: Without dead ends: 274 [2018-12-09 19:32:02,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:32:02,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-12-09 19:32:02,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 271. [2018-12-09 19:32:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-12-09 19:32:02,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 304 transitions. [2018-12-09 19:32:02,834 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 304 transitions. Word has length 113 [2018-12-09 19:32:02,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:02,834 INFO L480 AbstractCegarLoop]: Abstraction has 271 states and 304 transitions. [2018-12-09 19:32:02,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:32:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 304 transitions. [2018-12-09 19:32:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 19:32:02,836 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:02,836 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:02,836 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:02,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:02,836 INFO L82 PathProgramCache]: Analyzing trace with hash 370499837, now seen corresponding path program 1 times [2018-12-09 19:32:02,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:02,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:02,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:02,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:02,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:02,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:32:02,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:32:02,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:32:02,903 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:02,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:32:02,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:32:02,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:32:02,903 INFO L87 Difference]: Start difference. First operand 271 states and 304 transitions. Second operand 4 states. [2018-12-09 19:32:03,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:03,044 INFO L93 Difference]: Finished difference Result 782 states and 918 transitions. [2018-12-09 19:32:03,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:32:03,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-12-09 19:32:03,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:03,046 INFO L225 Difference]: With dead ends: 782 [2018-12-09 19:32:03,047 INFO L226 Difference]: Without dead ends: 539 [2018-12-09 19:32:03,047 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:32:03,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2018-12-09 19:32:03,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 530. [2018-12-09 19:32:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-12-09 19:32:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 611 transitions. [2018-12-09 19:32:03,065 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 611 transitions. Word has length 113 [2018-12-09 19:32:03,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:03,066 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 611 transitions. [2018-12-09 19:32:03,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:32:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 611 transitions. [2018-12-09 19:32:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 19:32:03,067 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:03,067 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:03,067 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:03,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:03,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1176873725, now seen corresponding path program 1 times [2018-12-09 19:32:03,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:03,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:03,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:03,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:03,068 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:32:03,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:32:03,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 19:32:03,166 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:03,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:32:03,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:32:03,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:32:03,167 INFO L87 Difference]: Start difference. First operand 530 states and 611 transitions. Second operand 9 states. [2018-12-09 19:32:03,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:03,781 INFO L93 Difference]: Finished difference Result 1395 states and 1676 transitions. [2018-12-09 19:32:03,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 19:32:03,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2018-12-09 19:32:03,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:03,785 INFO L225 Difference]: With dead ends: 1395 [2018-12-09 19:32:03,786 INFO L226 Difference]: Without dead ends: 970 [2018-12-09 19:32:03,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:32:03,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2018-12-09 19:32:03,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 886. [2018-12-09 19:32:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-12-09 19:32:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1009 transitions. [2018-12-09 19:32:03,842 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1009 transitions. Word has length 117 [2018-12-09 19:32:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:03,843 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1009 transitions. [2018-12-09 19:32:03,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:32:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1009 transitions. [2018-12-09 19:32:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-09 19:32:03,844 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:03,844 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:03,844 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:03,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:03,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1574400375, now seen corresponding path program 1 times [2018-12-09 19:32:03,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:03,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:03,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:03,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:03,845 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:32:03,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:32:03,947 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:32:03,948 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-12-09 19:32:03,949 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [67], [68], [69], [71], [74], [78], [79], [80], [84], [86], [87], [90], [94], [95], [96], [99], [101], [107], [111], [114], [115], [116], [125], [129], [133], [136], [139], [141], [147], [149], [155], [160], [168], [169], [170], [171], [172], [173], [174], [176], [181], [184], [185], [186], [187], [189], [194], [196], [197], [231], [232], [236], [239], [243], [249], [252], [256], [257], [263], [266], [268], [271], [278], [281], [284], [288], [289], [292], [293], [294], [295], [296], [297], [298], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [322], [324], [325], [326], [327], [330], [331], [332], [333], [334], [335], [340], [341], [344], [345], [346], [347], [348], [349], [354], [355], [356], [357], [358], [359], [360], [361], [362], [363], [364], [366], [367], [368], [369], [372], [373] [2018-12-09 19:32:03,981 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:32:03,981 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:32:05,342 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:32:05,343 INFO L272 AbstractInterpreter]: Visited 153 different actions 927 times. Merged at 16 different actions 56 times. Never widened. Performed 28640 root evaluator evaluations with a maximum evaluation depth of 5. Performed 28640 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 11 fixpoints after 2 different actions. Largest state had 135 variables. [2018-12-09 19:32:05,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:05,350 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:32:05,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:32:05,350 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:32:05,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:05,357 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:32:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:05,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:32:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:32:05,588 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:32:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:32:05,883 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:32:05,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-09 19:32:05,883 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:32:05,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 19:32:05,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 19:32:05,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:32:05,884 INFO L87 Difference]: Start difference. First operand 886 states and 1009 transitions. Second operand 16 states. [2018-12-09 19:32:06,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:06,506 INFO L93 Difference]: Finished difference Result 1979 states and 2332 transitions. [2018-12-09 19:32:06,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 19:32:06,507 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 195 [2018-12-09 19:32:06,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:06,510 INFO L225 Difference]: With dead ends: 1979 [2018-12-09 19:32:06,510 INFO L226 Difference]: Without dead ends: 1196 [2018-12-09 19:32:06,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 382 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-12-09 19:32:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2018-12-09 19:32:06,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1052. [2018-12-09 19:32:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2018-12-09 19:32:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1209 transitions. [2018-12-09 19:32:06,548 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1209 transitions. Word has length 195 [2018-12-09 19:32:06,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:06,548 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1209 transitions. [2018-12-09 19:32:06,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 19:32:06,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1209 transitions. [2018-12-09 19:32:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-09 19:32:06,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:06,552 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:06,552 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:06,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:06,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1109224304, now seen corresponding path program 1 times [2018-12-09 19:32:06,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:06,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:06,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:06,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:06,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:06,698 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 99 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-12-09 19:32:06,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:32:06,698 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:32:06,698 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-12-09 19:32:06,698 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [67], [68], [69], [71], [74], [78], [79], [80], [84], [86], [87], [88], [89], [90], [94], [95], [96], [99], [101], [104], [107], [111], [114], [115], [116], [125], [129], [133], [136], [139], [141], [147], [149], [155], [160], [168], [169], [170], [171], [172], [173], [174], [176], [181], [184], [185], [186], [187], [189], [194], [196], [197], [231], [232], [236], [239], [243], [249], [252], [256], [257], [263], [266], [268], [271], [278], [281], [284], [288], [289], [292], [293], [294], [295], [296], [297], [298], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [322], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [340], [341], [344], [345], [346], [347], [348], [349], [354], [355], [356], [357], [358], [359], [360], [361], [362], [363], [364], [366], [367], [368], [369], [372], [373] [2018-12-09 19:32:06,701 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:32:06,701 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:32:07,999 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:32:07,999 INFO L272 AbstractInterpreter]: Visited 158 different actions 1106 times. Merged at 20 different actions 90 times. Never widened. Performed 38808 root evaluator evaluations with a maximum evaluation depth of 5. Performed 38808 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 16 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-09 19:32:08,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:08,001 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:32:08,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:32:08,001 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:32:08,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:08,008 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:32:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:08,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:32:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 239 proven. 4 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-09 19:32:08,231 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:32:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-12-09 19:32:08,781 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:32:08,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-12-09 19:32:08,782 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:32:08,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 19:32:08,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 19:32:08,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-09 19:32:08,783 INFO L87 Difference]: Start difference. First operand 1052 states and 1209 transitions. Second operand 18 states. [2018-12-09 19:32:10,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:10,251 INFO L93 Difference]: Finished difference Result 2803 states and 3404 transitions. [2018-12-09 19:32:10,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-09 19:32:10,252 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 331 [2018-12-09 19:32:10,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:10,258 INFO L225 Difference]: With dead ends: 2803 [2018-12-09 19:32:10,258 INFO L226 Difference]: Without dead ends: 1516 [2018-12-09 19:32:10,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 650 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 19:32:10,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2018-12-09 19:32:10,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1395. [2018-12-09 19:32:10,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2018-12-09 19:32:10,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1589 transitions. [2018-12-09 19:32:10,310 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1589 transitions. Word has length 331 [2018-12-09 19:32:10,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:10,311 INFO L480 AbstractCegarLoop]: Abstraction has 1395 states and 1589 transitions. [2018-12-09 19:32:10,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 19:32:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1589 transitions. [2018-12-09 19:32:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-12-09 19:32:10,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:32:10,316 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:32:10,316 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:32:10,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:10,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1407373238, now seen corresponding path program 1 times [2018-12-09 19:32:10,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:32:10,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:10,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:10,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:32:10,317 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:32:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2018-12-09 19:32:10,476 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:32:10,476 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:32:10,476 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 422 with the following transitions: [2018-12-09 19:32:10,476 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [67], [68], [69], [71], [76], [78], [79], [80], [84], [86], [87], [88], [89], [90], [93], [94], [95], [96], [99], [101], [104], [107], [111], [114], [115], [116], [125], [129], [133], [136], [139], [141], [147], [149], [155], [160], [168], [169], [170], [171], [172], [173], [174], [176], [181], [184], [185], [186], [187], [189], [192], [194], [196], [197], [231], [232], [236], [239], [243], [249], [252], [256], [257], [263], [266], [268], [271], [274], [278], [281], [284], [288], [289], [292], [293], [294], [295], [296], [297], [298], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [322], [324], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [340], [341], [344], [345], [346], [347], [348], [349], [354], [355], [356], [357], [358], [359], [360], [361], [362], [363], [364], [366], [367], [368], [369], [370], [371], [372], [373] [2018-12-09 19:32:10,479 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:32:10,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:32:12,866 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:32:12,866 INFO L272 AbstractInterpreter]: Visited 159 different actions 2174 times. Merged at 38 different actions 457 times. Widened at 1 different actions 3 times. Performed 72392 root evaluator evaluations with a maximum evaluation depth of 5. Performed 72392 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 87 fixpoints after 8 different actions. Largest state had 135 variables. [2018-12-09 19:32:12,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:32:12,900 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:32:12,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:32:12,900 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:32:12,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:32:12,906 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:32:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:32:13,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:32:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-12-09 19:32:13,069 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:32:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2018-12-09 19:32:13,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:32:13,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-09 19:32:13,450 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:32:13,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:32:13,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:32:13,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:32:13,451 INFO L87 Difference]: Start difference. First operand 1395 states and 1589 transitions. Second operand 6 states. [2018-12-09 19:32:13,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:32:13,484 INFO L93 Difference]: Finished difference Result 1707 states and 1934 transitions. [2018-12-09 19:32:13,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:32:13,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 421 [2018-12-09 19:32:13,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:32:13,484 INFO L225 Difference]: With dead ends: 1707 [2018-12-09 19:32:13,484 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:32:13,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 853 GetRequests, 837 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-09 19:32:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:32:13,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:32:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:32:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:32:13,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 421 [2018-12-09 19:32:13,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:32:13,487 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:32:13,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:32:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:32:13,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:32:13,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:32:13,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:13,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:32:14,695 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-12-09 19:32:15,294 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-12-09 19:32:16,116 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-12-09 19:32:16,190 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1021 1027) the Hoare annotation is: true [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1021 1027) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1028 1036) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1028 1036) the Hoare annotation is: true [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1028 1036) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 307 314) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 307 314) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 307 314) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 315 324) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 315 324) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 315 324) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L444 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 344) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 347) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 325 353) the Hoare annotation is: true [2018-12-09 19:32:16,191 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse5) (or .cse2 .cse0 .cse4 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse5))) [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-12-09 19:32:16,191 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 350) no Hoare annotation was computed. [2018-12-09 19:32:16,192 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 325 353) no Hoare annotation was computed. [2018-12-09 19:32:16,192 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 325 353) no Hoare annotation was computed. [2018-12-09 19:32:16,192 INFO L451 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2018-12-09 19:32:16,192 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-12-09 19:32:16,192 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,192 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2018-12-09 19:32:16,192 INFO L444 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,192 INFO L444 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,192 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2018-12-09 19:32:16,192 INFO L448 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2018-12-09 19:32:16,192 INFO L448 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2018-12-09 19:32:16,192 INFO L444 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,192 INFO L444 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,192 INFO L444 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,192 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2018-12-09 19:32:16,193 INFO L444 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__wrappee__methaneQuery_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-09 19:32:16,193 INFO L448 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2018-12-09 19:32:16,193 INFO L444 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))) [2018-12-09 19:32:16,193 INFO L448 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-12-09 19:32:16,193 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2018-12-09 19:32:16,193 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(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 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-09 19:32:16,193 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 117 141) no Hoare annotation was computed. [2018-12-09 19:32:16,193 INFO L444 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 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 19:32:16,193 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2018-12-09 19:32:16,194 INFO L444 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))) [2018-12-09 19:32:16,194 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2018-12-09 19:32:16,194 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2018-12-09 19:32:16,194 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2018-12-09 19:32:16,194 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2018-12-09 19:32:16,194 INFO L451 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2018-12-09 19:32:16,194 INFO L448 ceAbstractionStarter]: For program point L285-2(lines 285 289) no Hoare annotation was computed. [2018-12-09 19:32:16,194 INFO L448 ceAbstractionStarter]: For program point L283-1(line 283) no Hoare annotation was computed. [2018-12-09 19:32:16,194 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 276 294) the Hoare annotation is: true [2018-12-09 19:32:16,194 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 276 294) no Hoare annotation was computed. [2018-12-09 19:32:16,194 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 276 294) no Hoare annotation was computed. [2018-12-09 19:32:16,194 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 1014 1020) no Hoare annotation was computed. [2018-12-09 19:32:16,194 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 1014 1020) the Hoare annotation is: true [2018-12-09 19:32:16,195 INFO L444 ceAbstractionStarter]: At program point L961(line 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,195 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 956 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,195 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 956 966) no Hoare annotation was computed. [2018-12-09 19:32:16,195 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 956 966) no Hoare annotation was computed. [2018-12-09 19:32:16,195 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 201 211) the Hoare annotation is: true [2018-12-09 19:32:16,195 INFO L451 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: true [2018-12-09 19:32:16,195 INFO L448 ceAbstractionStarter]: For program point L206-1(line 206) no Hoare annotation was computed. [2018-12-09 19:32:16,195 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2018-12-09 19:32:16,195 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 201 211) no Hoare annotation was computed. [2018-12-09 19:32:16,195 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-12-09 19:32:16,195 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2018-12-09 19:32:16,195 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2018-12-09 19:32:16,196 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2018-12-09 19:32:16,196 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2018-12-09 19:32:16,196 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2018-12-09 19:32:16,196 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2018-12-09 19:32:16,196 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 143 167) no Hoare annotation was computed. [2018-12-09 19:32:16,196 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 19:32:16,196 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 19:32:16,196 INFO L448 ceAbstractionStarter]: For program point L151(lines 151 159) no Hoare annotation was computed. [2018-12-09 19:32:16,196 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 143 167) no Hoare annotation was computed. [2018-12-09 19:32:16,196 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-09 19:32:16,197 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-12-09 19:32:16,197 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 143 167) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-09 19:32:16,197 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 164) no Hoare annotation was computed. [2018-12-09 19:32:16,197 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-09 19:32:16,197 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2018-12-09 19:32:16,197 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2018-12-09 19:32:16,197 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 358 423) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,197 INFO L444 ceAbstractionStarter]: At program point L413(lines 368 415) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 19:32:16,197 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-12-09 19:32:16,198 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 384) no Hoare annotation was computed. [2018-12-09 19:32:16,198 INFO L448 ceAbstractionStarter]: For program point L378-1(lines 378 384) no Hoare annotation was computed. [2018-12-09 19:32:16,198 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 358 423) no Hoare annotation was computed. [2018-12-09 19:32:16,198 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 374) no Hoare annotation was computed. [2018-12-09 19:32:16,198 INFO L444 ceAbstractionStarter]: At program point L416(lines 367 417) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:32:16,198 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 410) no Hoare annotation was computed. [2018-12-09 19:32:16,198 INFO L444 ceAbstractionStarter]: At program point L406-2(lines 398 411) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-12-09 19:32:16,198 INFO L448 ceAbstractionStarter]: For program point L369(lines 368 415) no Hoare annotation was computed. [2018-12-09 19:32:16,198 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-12-09 19:32:16,198 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 411) no Hoare annotation was computed. [2018-12-09 19:32:16,198 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-12-09 19:32:16,199 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2018-12-09 19:32:16,199 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2018-12-09 19:32:16,199 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 358 423) no Hoare annotation was computed. [2018-12-09 19:32:16,199 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 168 175) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 19:32:16,199 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 168 175) no Hoare annotation was computed. [2018-12-09 19:32:16,199 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 168 175) no Hoare annotation was computed. [2018-12-09 19:32:16,199 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 884 892) no Hoare annotation was computed. [2018-12-09 19:32:16,199 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 884 892) the Hoare annotation is: true [2018-12-09 19:32:16,199 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 884 892) no Hoare annotation was computed. [2018-12-09 19:32:16,199 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:32:16,199 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:32:16,199 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:32:16,200 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 176 192) no Hoare annotation was computed. [2018-12-09 19:32:16,200 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 19:32:16,200 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 176 192) no Hoare annotation was computed. [2018-12-09 19:32:16,200 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 176 192) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 19:32:16,200 INFO L448 ceAbstractionStarter]: For program point L183(lines 183 189) no Hoare annotation was computed. [2018-12-09 19:32:16,200 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-09 19:32:16,200 INFO L448 ceAbstractionStarter]: For program point L181-1(line 181) no Hoare annotation was computed. [2018-12-09 19:32:16,200 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2018-12-09 19:32:16,200 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2018-12-09 19:32:16,200 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2018-12-09 19:32:16,200 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2018-12-09 19:32:16,200 INFO L448 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2018-12-09 19:32:16,200 INFO L451 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2018-12-09 19:32:16,201 INFO L448 ceAbstractionStarter]: For program point L266-2(lines 266 270) no Hoare annotation was computed. [2018-12-09 19:32:16,201 INFO L448 ceAbstractionStarter]: For program point L264-1(line 264) no Hoare annotation was computed. [2018-12-09 19:32:16,201 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2018-12-09 19:32:16,201 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 257 275) no Hoare annotation was computed. [2018-12-09 19:32:16,201 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2018-12-09 19:32:16,201 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2018-12-09 19:32:16,201 INFO L448 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2018-12-09 19:32:16,201 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 895 924) no Hoare annotation was computed. [2018-12-09 19:32:16,201 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 895 924) the Hoare annotation is: true [2018-12-09 19:32:16,201 INFO L451 ceAbstractionStarter]: At program point L920(lines 895 924) the Hoare annotation is: true [2018-12-09 19:32:16,201 INFO L448 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2018-12-09 19:32:16,201 INFO L448 ceAbstractionStarter]: For program point L909(lines 909 913) no Hoare annotation was computed. [2018-12-09 19:32:16,201 INFO L451 ceAbstractionStarter]: At program point L909-1(lines 909 913) the Hoare annotation is: true [2018-12-09 19:32:16,201 INFO L448 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2018-12-09 19:32:16,202 INFO L451 ceAbstractionStarter]: At program point L905-2(lines 905 919) the Hoare annotation is: true [2018-12-09 19:32:16,202 INFO L451 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2018-12-09 19:32:16,202 INFO L448 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2018-12-09 19:32:16,202 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2018-12-09 19:32:16,202 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2018-12-09 19:32:16,202 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2018-12-09 19:32:16,202 INFO L444 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 .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-09 19:32:16,202 INFO L448 ceAbstractionStarter]: For program point L63(lines 59 81) no Hoare annotation was computed. [2018-12-09 19:32:16,202 INFO L448 ceAbstractionStarter]: For program point L61(lines 59 81) no Hoare annotation was computed. [2018-12-09 19:32:16,202 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-12-09 19:32:16,202 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2018-12-09 19:32:16,203 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-12-09 19:32:16,203 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2018-12-09 19:32:16,203 INFO L444 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-12-09 19:32:16,203 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 19:32:16,203 INFO L448 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2018-12-09 19:32:16,203 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2018-12-09 19:32:16,203 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 949 955) no Hoare annotation was computed. [2018-12-09 19:32:16,203 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 949 955) the Hoare annotation is: true [2018-12-09 19:32:16,203 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:32:16,203 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 19:32:16,204 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:32:16,204 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:32:16,204 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 295 302) no Hoare annotation was computed. [2018-12-09 19:32:16,204 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 295 302) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or (or (or .cse1 .cse2) (not (= 1 ~pumpRunning~0))) .cse3))) [2018-12-09 19:32:16,204 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 295 302) no Hoare annotation was computed. [2018-12-09 19:32:16,204 INFO L444 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)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-09 19:32:16,204 INFO L444 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)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-09 19:32:16,204 INFO L448 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-12-09 19:32:16,204 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2018-12-09 19:32:16,204 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2018-12-09 19:32:16,204 INFO L444 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))))) [2018-12-09 19:32:16,205 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2018-12-09 19:32:16,205 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 19:32:16,205 INFO L444 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 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-12-09 19:32:16,205 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2018-12-09 19:32:16,205 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2018-12-09 19:32:16,205 INFO L448 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2018-12-09 19:32:16,205 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-09 19:32:16,205 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 994 1001) no Hoare annotation was computed. [2018-12-09 19:32:16,205 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2018-12-09 19:32:16,205 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 994 1001) the Hoare annotation is: true [2018-12-09 19:32:16,206 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 994 1001) no Hoare annotation was computed. [2018-12-09 19:32:16,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:32:16 BoogieIcfgContainer [2018-12-09 19:32:16,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:32:16,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:32:16,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:32:16,216 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:32:16,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:32:01" (3/4) ... [2018-12-09 19:32:16,219 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:32:16,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:32:16,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:32:16,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:32:16,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:32:16,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:32:16,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 19:32:16,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:32:16,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:32:16,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:32:16,231 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-09 19:32:16,231 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 19:32:16,232 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:32:16,232 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:32:16,232 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:32:16,232 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:32:16,248 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-09 19:32:16,248 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 19:32:16,270 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d20dd70f-33dc-418e-9da3-450f7b61e9b6/bin-2019/utaipan/witness.graphml [2018-12-09 19:32:16,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:32:16,271 INFO L168 Benchmark]: Toolchain (without parser) took 15954.51 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 948.1 MB in the beginning and 1.3 GB in the end (delta: -377.8 MB). Peak memory consumption was 666.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:32:16,271 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:32:16,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:32:16,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:32:16,272 INFO L168 Benchmark]: Boogie Preprocessor took 21.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:32:16,272 INFO L168 Benchmark]: RCFGBuilder took 361.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:32:16,272 INFO L168 Benchmark]: TraceAbstraction took 15180.26 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 930.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -304.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 19:32:16,272 INFO L168 Benchmark]: Witness Printer took 54.85 ms. Allocated memory is still 2.1 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:32:16,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 361.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15180.26 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 930.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -304.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 54.85 ms. Allocated memory is still 2.1 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 998]: 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: 367]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 180 locations, 1 error locations. SAFE Result, 15.1s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2750 SDtfs, 3004 SDslu, 7341 SDs, 0 SdLazy, 6047 SolverSat, 1687 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2088 GetRequests, 1920 SyntacticMatches, 21 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1395occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.1s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 401 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 2288 PreInvPairs, 2370 NumberOfFragments, 2121 HoareAnnotationTreeSize, 2288 FomulaSimplifications, 12349 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 74 FomulaSimplificationsInter, 15954 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2714 NumberOfCodeBlocks, 2714 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3643 ConstructedInterpolants, 0 QuantifiedInterpolants, 1357959 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3910 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2944/3054 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...