./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_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_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/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 4db9bf450928b08b5e696709772fc7741fcab5a5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:45:31,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:45:31,719 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:45:31,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:45:31,727 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:45:31,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:45:31,729 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:45:31,730 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:45:31,731 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:45:31,732 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:45:31,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:45:31,733 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:45:31,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:45:31,734 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:45:31,735 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:45:31,735 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:45:31,736 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:45:31,737 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:45:31,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:45:31,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:45:31,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:45:31,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:45:31,743 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:45:31,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:45:31,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:45:31,744 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:45:31,745 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:45:31,745 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:45:31,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:45:31,747 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:45:31,747 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:45:31,747 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:45:31,747 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:45:31,748 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:45:31,748 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:45:31,749 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:45:31,749 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 18:45:31,759 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:45:31,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:45:31,760 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:45:31,760 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:45:31,760 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:45:31,760 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:45:31,760 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:45:31,760 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 18:45:31,760 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:45:31,761 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:45:31,761 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 18:45:31,761 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 18:45:31,761 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:45:31,761 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:45:31,761 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:45:31,761 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:45:31,762 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:45:31,762 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:45:31,762 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:45:31,762 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:45:31,762 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:45:31,762 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:45:31,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:45:31,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:45:31,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:45:31,763 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:45:31,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:45:31,763 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:45:31,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:45:31,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:45:31,763 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:45:31,763 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:45:31,763 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 18:45:31,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:45:31,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:45:31,764 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 18:45:31,764 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_12134bd2-6dde-4689-9c3d-f5330da6755e/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 -> 4db9bf450928b08b5e696709772fc7741fcab5a5 [2018-12-02 18:45:31,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:45:31,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:45:31,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:45:31,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:45:31,800 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:45:31,800 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-12-02 18:45:31,847 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/data/208263476/6488402def38490cb9e825431dace92a/FLAG2c2490c8b [2018-12-02 18:45:32,290 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:45:32,290 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-12-02 18:45:32,298 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/data/208263476/6488402def38490cb9e825431dace92a/FLAG2c2490c8b [2018-12-02 18:45:32,306 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/data/208263476/6488402def38490cb9e825431dace92a [2018-12-02 18:45:32,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:45:32,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:45:32,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:45:32,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:45:32,311 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:45:32,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32, skipping insertion in model container [2018-12-02 18:45:32,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:45:32,340 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:45:32,492 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:45:32,536 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:45:32,580 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:45:32,596 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:45:32,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32 WrapperNode [2018-12-02 18:45:32,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:45:32,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:45:32,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:45:32,597 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:45:32,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:45:32,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:45:32,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:45:32,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:45:32,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:45:32,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:45:32,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:45:32,640 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:45:32,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/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 [2018-12-02 18:45:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 18:45:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 18:45:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-02 18:45:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-02 18:45:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 18:45:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 18:45:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 18:45:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 18:45:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 18:45:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 18:45:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:45:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 18:45:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 18:45:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 18:45:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 18:45:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 18:45:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 18:45:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 18:45:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 18:45:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 18:45:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 18:45:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 18:45:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 18:45:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 18:45:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 18:45:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 18:45:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 18:45:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 18:45:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 18:45:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 18:45:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 18:45:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 18:45:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 18:45:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 18:45:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 18:45:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 18:45:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 18:45:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 18:45:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 18:45:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 18:45:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 18:45:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 18:45:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 18:45:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 18:45:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 18:45:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 18:45:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 18:45:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 18:45:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 18:45:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 18:45:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 18:45:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 18:45:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 18:45:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 18:45:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 18:45:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 18:45:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 18:45:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 18:45:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 18:45:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 18:45:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 18:45:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 18:45:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 18:45:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 18:45:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 18:45:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 18:45:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:45:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:45:33,058 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:45:33,059 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 18:45:33,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:33 BoogieIcfgContainer [2018-12-02 18:45:33,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:45:33,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:45:33,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:45:33,065 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:45:33,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:45:32" (1/3) ... [2018-12-02 18:45:33,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1c8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:45:33, skipping insertion in model container [2018-12-02 18:45:33,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:32" (2/3) ... [2018-12-02 18:45:33,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1c8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:45:33, skipping insertion in model container [2018-12-02 18:45:33,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:33" (3/3) ... [2018-12-02 18:45:33,067 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-12-02 18:45:33,079 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:45:33,086 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 18:45:33,105 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 18:45:33,127 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:45:33,127 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:45:33,127 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:45:33,127 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:45:33,127 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:45:33,127 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:45:33,127 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:45:33,127 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:45:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2018-12-02 18:45:33,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 18:45:33,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:33,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:33,149 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:33,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:33,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1904969778, now seen corresponding path program 1 times [2018-12-02 18:45:33,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:33,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:33,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:33,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:33,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:33,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:45:33,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 18:45:33,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:45:33,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 18:45:33,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 18:45:33,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 18:45:33,311 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2018-12-02 18:45:33,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:33,340 INFO L93 Difference]: Finished difference Result 326 states and 403 transitions. [2018-12-02 18:45:33,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 18:45:33,341 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 18:45:33,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:33,350 INFO L225 Difference]: With dead ends: 326 [2018-12-02 18:45:33,350 INFO L226 Difference]: Without dead ends: 163 [2018-12-02 18:45:33,353 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 [2018-12-02 18:45:33,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-12-02 18:45:33,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-12-02 18:45:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-12-02 18:45:33,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2018-12-02 18:45:33,395 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 46 [2018-12-02 18:45:33,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:33,395 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2018-12-02 18:45:33,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 18:45:33,395 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2018-12-02 18:45:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 18:45:33,397 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:33,397 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:33,397 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:33,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:33,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1018071828, now seen corresponding path program 1 times [2018-12-02 18:45:33,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:33,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:33,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:33,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:33,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:33,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:45:33,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:45:33,466 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:45:33,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 18:45:33,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:45:33,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:45:33,468 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 3 states. [2018-12-02 18:45:33,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:33,488 INFO L93 Difference]: Finished difference Result 265 states and 313 transitions. [2018-12-02 18:45:33,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:45:33,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 18:45:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:33,490 INFO L225 Difference]: With dead ends: 265 [2018-12-02 18:45:33,490 INFO L226 Difference]: Without dead ends: 154 [2018-12-02 18:45:33,491 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 [2018-12-02 18:45:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-02 18:45:33,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-12-02 18:45:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-12-02 18:45:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2018-12-02 18:45:33,501 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 47 [2018-12-02 18:45:33,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:33,501 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2018-12-02 18:45:33,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 18:45:33,502 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2018-12-02 18:45:33,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 18:45:33,503 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:33,503 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:33,503 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:33,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:33,503 INFO L82 PathProgramCache]: Analyzing trace with hash -2045149886, now seen corresponding path program 1 times [2018-12-02 18:45:33,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:33,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:33,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:33,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:33,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:33,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:45:33,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 18:45:33,589 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:45:33,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 18:45:33,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 18:45:33,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 18:45:33,590 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand 7 states. [2018-12-02 18:45:33,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:33,870 INFO L93 Difference]: Finished difference Result 464 states and 563 transitions. [2018-12-02 18:45:33,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 18:45:33,870 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 18:45:33,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:33,872 INFO L225 Difference]: With dead ends: 464 [2018-12-02 18:45:33,872 INFO L226 Difference]: Without dead ends: 334 [2018-12-02 18:45:33,873 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 [2018-12-02 18:45:33,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-12-02 18:45:33,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 322. [2018-12-02 18:45:33,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-12-02 18:45:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 390 transitions. [2018-12-02 18:45:33,895 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 390 transitions. Word has length 52 [2018-12-02 18:45:33,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:33,896 INFO L480 AbstractCegarLoop]: Abstraction has 322 states and 390 transitions. [2018-12-02 18:45:33,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 18:45:33,896 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 390 transitions. [2018-12-02 18:45:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 18:45:33,897 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:33,897 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:33,897 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:33,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:33,898 INFO L82 PathProgramCache]: Analyzing trace with hash -2110965136, now seen corresponding path program 1 times [2018-12-02 18:45:33,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:33,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:33,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:33,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:33,899 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:33,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:45:33,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 18:45:33,979 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:45:33,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 18:45:33,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 18:45:33,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 18:45:33,980 INFO L87 Difference]: Start difference. First operand 322 states and 390 transitions. Second operand 10 states. [2018-12-02 18:45:34,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:34,350 INFO L93 Difference]: Finished difference Result 1168 states and 1516 transitions. [2018-12-02 18:45:34,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 18:45:34,351 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-02 18:45:34,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:34,354 INFO L225 Difference]: With dead ends: 1168 [2018-12-02 18:45:34,354 INFO L226 Difference]: Without dead ends: 870 [2018-12-02 18:45:34,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-02 18:45:34,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-12-02 18:45:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 858. [2018-12-02 18:45:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2018-12-02 18:45:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1078 transitions. [2018-12-02 18:45:34,408 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1078 transitions. Word has length 57 [2018-12-02 18:45:34,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:34,409 INFO L480 AbstractCegarLoop]: Abstraction has 858 states and 1078 transitions. [2018-12-02 18:45:34,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 18:45:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1078 transitions. [2018-12-02 18:45:34,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 18:45:34,411 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:34,411 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:34,411 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:34,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:34,412 INFO L82 PathProgramCache]: Analyzing trace with hash -401000778, now seen corresponding path program 1 times [2018-12-02 18:45:34,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:34,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:34,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:34,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:34,413 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:34,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:45:34,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:45:34,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:45:34,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 18:45:34,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:45:34,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:45:34,449 INFO L87 Difference]: Start difference. First operand 858 states and 1078 transitions. Second operand 3 states. [2018-12-02 18:45:34,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:34,521 INFO L93 Difference]: Finished difference Result 1965 states and 2575 transitions. [2018-12-02 18:45:34,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:45:34,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-12-02 18:45:34,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:34,526 INFO L225 Difference]: With dead ends: 1965 [2018-12-02 18:45:34,526 INFO L226 Difference]: Without dead ends: 1131 [2018-12-02 18:45:34,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:45:34,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2018-12-02 18:45:34,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1110. [2018-12-02 18:45:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2018-12-02 18:45:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1377 transitions. [2018-12-02 18:45:34,584 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1377 transitions. Word has length 61 [2018-12-02 18:45:34,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:34,584 INFO L480 AbstractCegarLoop]: Abstraction has 1110 states and 1377 transitions. [2018-12-02 18:45:34,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 18:45:34,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1377 transitions. [2018-12-02 18:45:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 18:45:34,586 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:34,586 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:34,586 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:34,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:34,587 INFO L82 PathProgramCache]: Analyzing trace with hash 332160723, now seen corresponding path program 1 times [2018-12-02 18:45:34,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:34,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:34,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:34,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:34,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 18:45:34,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:34,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:45:34,658 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-12-02 18:45:34,660 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [61], [63], [64], [65], [66], [78], [113], [122], [126], [130], [133], [138], [144], [146], [152], [155], [158], [170], [171], [194], [195], [210], [217], [220], [254], [281], [285], [286], [289], [290], [291], [292], [293], [295], [296], [297], [298], [299], [300], [301], [302], [303], [317], [329], [330], [335], [336], [337], [338], [351], [352], [357], [358], [359] [2018-12-02 18:45:34,692 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:45:34,693 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:45:35,195 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:45:35,196 INFO L272 AbstractInterpreter]: Visited 67 different actions 145 times. Merged at 13 different actions 19 times. Never widened. Performed 4970 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4970 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-02 18:45:35,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:35,202 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:45:35,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:35,202 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/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 [2018-12-02 18:45:35,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:35,209 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:45:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:35,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:45:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:45:35,365 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:45:35,525 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:45:35,545 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 18:45:35,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-12-02 18:45:35,546 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 18:45:35,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 18:45:35,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 18:45:35,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-02 18:45:35,547 INFO L87 Difference]: Start difference. First operand 1110 states and 1377 transitions. Second operand 12 states. [2018-12-02 18:45:37,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:37,552 INFO L93 Difference]: Finished difference Result 2673 states and 3571 transitions. [2018-12-02 18:45:37,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-02 18:45:37,553 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-12-02 18:45:37,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:37,558 INFO L225 Difference]: With dead ends: 2673 [2018-12-02 18:45:37,558 INFO L226 Difference]: Without dead ends: 1876 [2018-12-02 18:45:37,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 184 SyntacticMatches, 8 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 863 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=645, Invalid=2547, Unknown=0, NotChecked=0, Total=3192 [2018-12-02 18:45:37,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2018-12-02 18:45:37,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1659. [2018-12-02 18:45:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2018-12-02 18:45:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2085 transitions. [2018-12-02 18:45:37,621 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2085 transitions. Word has length 89 [2018-12-02 18:45:37,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:37,621 INFO L480 AbstractCegarLoop]: Abstraction has 1659 states and 2085 transitions. [2018-12-02 18:45:37,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 18:45:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2085 transitions. [2018-12-02 18:45:37,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-02 18:45:37,625 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:37,625 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:37,625 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:37,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:37,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1935234741, now seen corresponding path program 1 times [2018-12-02 18:45:37,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:37,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:37,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:37,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:37,627 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:45:37,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:37,701 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:45:37,701 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-12-02 18:45:37,701 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [65], [66], [67], [69], [72], [76], [77], [78], [81], [83], [84], [87], [90], [92], [93], [96], [98], [104], [108], [111], [112], [113], [122], [126], [130], [136], [138], [144], [146], [152], [158], [166], [167], [168], [169], [170], [171], [172], [174], [179], [182], [183], [185], [188], [192], [193], [194], [195], [203], [204], [207], [210], [214], [220], [249], [253], [254], [258], [261], [263], [266], [273], [276], [286], [289], [290], [291], [292], [293], [295], [296], [297], [298], [299], [300], [301], [302], [303], [305], [306], [309], [310], [311], [312], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [337], [338], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [357], [358], [359], [361], [362], [363], [364], [367], [368] [2018-12-02 18:45:37,703 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:45:37,703 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:45:38,418 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:45:38,418 INFO L272 AbstractInterpreter]: Visited 137 different actions 513 times. Merged at 17 different actions 32 times. Never widened. Performed 17682 root evaluator evaluations with a maximum evaluation depth of 5. Performed 17682 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5 fixpoints after 3 different actions. Largest state had 133 variables. [2018-12-02 18:45:38,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:38,423 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:45:38,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:38,423 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/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 [2018-12-02 18:45:38,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:38,429 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:45:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:38,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:45:38,512 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 18:45:38,512 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:45:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:45:38,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 18:45:38,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2018-12-02 18:45:38,706 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:45:38,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 18:45:38,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 18:45:38,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 18:45:38,707 INFO L87 Difference]: Start difference. First operand 1659 states and 2085 transitions. Second operand 6 states. [2018-12-02 18:45:38,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:38,774 INFO L93 Difference]: Finished difference Result 3350 states and 4452 transitions. [2018-12-02 18:45:38,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 18:45:38,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-12-02 18:45:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:38,779 INFO L225 Difference]: With dead ends: 3350 [2018-12-02 18:45:38,779 INFO L226 Difference]: Without dead ends: 1715 [2018-12-02 18:45:38,782 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 337 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 18:45:38,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2018-12-02 18:45:38,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1699. [2018-12-02 18:45:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2018-12-02 18:45:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2129 transitions. [2018-12-02 18:45:38,829 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2129 transitions. Word has length 170 [2018-12-02 18:45:38,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:38,829 INFO L480 AbstractCegarLoop]: Abstraction has 1699 states and 2129 transitions. [2018-12-02 18:45:38,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 18:45:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2129 transitions. [2018-12-02 18:45:38,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-02 18:45:38,832 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:38,832 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:38,833 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:38,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:38,833 INFO L82 PathProgramCache]: Analyzing trace with hash 637729869, now seen corresponding path program 1 times [2018-12-02 18:45:38,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:38,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:38,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:38,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:38,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:45:38,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:38,903 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:45:38,904 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-12-02 18:45:38,904 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [65], [66], [67], [69], [72], [76], [77], [78], [81], [83], [84], [87], [90], [92], [93], [96], [98], [104], [108], [111], [112], [113], [122], [126], [130], [136], [138], [144], [146], [152], [158], [166], [167], [168], [169], [170], [171], [172], [174], [179], [182], [183], [185], [190], [192], [193], [194], [195], [203], [204], [207], [210], [214], [220], [249], [253], [254], [258], [261], [263], [266], [273], [276], [286], [289], [290], [291], [292], [293], [295], [296], [297], [298], [299], [300], [301], [302], [303], [305], [306], [309], [310], [311], [312], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [337], [338], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [357], [358], [359], [361], [362], [363], [364], [367], [368] [2018-12-02 18:45:38,907 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:45:38,907 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:45:39,591 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:45:39,591 INFO L272 AbstractInterpreter]: Visited 137 different actions 513 times. Merged at 17 different actions 32 times. Never widened. Performed 17682 root evaluator evaluations with a maximum evaluation depth of 5. Performed 17682 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5 fixpoints after 3 different actions. Largest state had 133 variables. [2018-12-02 18:45:39,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:39,594 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:45:39,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:39,595 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/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 [2018-12-02 18:45:39,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:39,601 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:45:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:39,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:45:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 18:45:39,697 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:45:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:45:39,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 18:45:39,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2018-12-02 18:45:39,886 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:45:39,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 18:45:39,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 18:45:39,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-02 18:45:39,887 INFO L87 Difference]: Start difference. First operand 1699 states and 2129 transitions. Second operand 5 states. [2018-12-02 18:45:39,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:39,944 INFO L93 Difference]: Finished difference Result 3095 states and 4000 transitions. [2018-12-02 18:45:39,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 18:45:39,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2018-12-02 18:45:39,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:39,950 INFO L225 Difference]: With dead ends: 3095 [2018-12-02 18:45:39,950 INFO L226 Difference]: Without dead ends: 1420 [2018-12-02 18:45:39,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 337 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-02 18:45:39,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2018-12-02 18:45:40,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2018-12-02 18:45:40,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2018-12-02 18:45:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1781 transitions. [2018-12-02 18:45:40,011 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1781 transitions. Word has length 170 [2018-12-02 18:45:40,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:40,011 INFO L480 AbstractCegarLoop]: Abstraction has 1420 states and 1781 transitions. [2018-12-02 18:45:40,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 18:45:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1781 transitions. [2018-12-02 18:45:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 18:45:40,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:40,013 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:40,013 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:40,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:40,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1266031224, now seen corresponding path program 1 times [2018-12-02 18:45:40,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:40,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:40,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:40,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:40,014 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 18:45:40,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:40,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:45:40,130 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-02 18:45:40,130 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [65], [66], [67], [69], [72], [76], [77], [78], [81], [83], [84], [87], [91], [92], [93], [96], [98], [104], [108], [111], [112], [113], [122], [126], [130], [133], [136], [138], [144], [146], [152], [158], [166], [167], [168], [169], [170], [171], [172], [174], [179], [182], [183], [185], [190], [192], [193], [194], [195], [203], [204], [207], [210], [214], [220], [249], [253], [254], [258], [261], [263], [266], [273], [276], [281], [285], [286], [289], [290], [291], [292], [293], [295], [296], [297], [298], [299], [300], [301], [302], [303], [305], [306], [309], [310], [311], [312], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [337], [338], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [357], [358], [359], [361], [362], [363], [364], [367], [368] [2018-12-02 18:45:40,131 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:45:40,131 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:45:41,036 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:45:41,036 INFO L272 AbstractInterpreter]: Visited 142 different actions 704 times. Merged at 19 different actions 52 times. Never widened. Performed 25847 root evaluator evaluations with a maximum evaluation depth of 5. Performed 25847 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 4 different actions. Largest state had 133 variables. [2018-12-02 18:45:41,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:41,037 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:45:41,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:41,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:45:41,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:41,044 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:45:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:41,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:45:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:41,191 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:45:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 18:45:41,376 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 18:45:41,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2018-12-02 18:45:41,376 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 18:45:41,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 18:45:41,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 18:45:41,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2018-12-02 18:45:41,377 INFO L87 Difference]: Start difference. First operand 1420 states and 1781 transitions. Second operand 14 states. [2018-12-02 18:45:42,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:42,745 INFO L93 Difference]: Finished difference Result 3206 states and 4357 transitions. [2018-12-02 18:45:42,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-02 18:45:42,746 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 174 [2018-12-02 18:45:42,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:42,751 INFO L225 Difference]: With dead ends: 3206 [2018-12-02 18:45:42,752 INFO L226 Difference]: Without dead ends: 1979 [2018-12-02 18:45:42,755 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 343 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2018-12-02 18:45:42,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2018-12-02 18:45:42,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1668. [2018-12-02 18:45:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2018-12-02 18:45:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2077 transitions. [2018-12-02 18:45:42,809 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2077 transitions. Word has length 174 [2018-12-02 18:45:42,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:42,809 INFO L480 AbstractCegarLoop]: Abstraction has 1668 states and 2077 transitions. [2018-12-02 18:45:42,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 18:45:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2077 transitions. [2018-12-02 18:45:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-02 18:45:42,813 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:45:42,813 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:45:42,813 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:45:42,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:42,813 INFO L82 PathProgramCache]: Analyzing trace with hash -86450904, now seen corresponding path program 1 times [2018-12-02 18:45:42,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:45:42,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:42,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:42,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:45:42,814 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:45:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 18:45:42,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:42,903 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:45:42,903 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-12-02 18:45:42,903 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [40], [42], [48], [52], [55], [65], [66], [67], [69], [72], [74], [76], [77], [78], [81], [83], [84], [87], [91], [92], [93], [96], [98], [104], [108], [111], [112], [113], [122], [126], [130], [133], [136], [138], [144], [146], [152], [158], [166], [167], [168], [169], [170], [171], [172], [174], [179], [182], [183], [185], [190], [192], [193], [194], [195], [203], [204], [207], [210], [214], [220], [249], [253], [254], [258], [261], [263], [266], [273], [276], [281], [285], [286], [289], [290], [291], [292], [293], [295], [296], [297], [298], [299], [300], [301], [302], [303], [305], [306], [309], [310], [311], [312], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [337], [338], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [357], [358], [359], [361], [362], [363], [364], [367], [368] [2018-12-02 18:45:42,904 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:45:42,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:45:43,925 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:45:43,925 INFO L272 AbstractInterpreter]: Visited 143 different actions 915 times. Merged at 24 different actions 82 times. Never widened. Performed 29430 root evaluator evaluations with a maximum evaluation depth of 5. Performed 29430 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 15 fixpoints after 5 different actions. Largest state had 133 variables. [2018-12-02 18:45:43,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:43,926 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:45:43,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:45:43,926 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:45:43,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:45:43,934 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:45:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:44,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:45:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 18:45:44,062 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:45:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 18:45:44,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 18:45:44,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-02 18:45:44,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:45:44,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 18:45:44,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 18:45:44,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-02 18:45:44,330 INFO L87 Difference]: Start difference. First operand 1668 states and 2077 transitions. Second operand 6 states. [2018-12-02 18:45:44,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:45:44,361 INFO L93 Difference]: Finished difference Result 2251 states and 2803 transitions. [2018-12-02 18:45:44,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 18:45:44,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 244 [2018-12-02 18:45:44,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:45:44,361 INFO L225 Difference]: With dead ends: 2251 [2018-12-02 18:45:44,361 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 18:45:44,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 483 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-02 18:45:44,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 18:45:44,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 18:45:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 18:45:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 18:45:44,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2018-12-02 18:45:44,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:45:44,365 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 18:45:44,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 18:45:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 18:45:44,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 18:45:44,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 18:45:44,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:44,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:45:46,020 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1009 1015) the Hoare annotation is: true [2018-12-02 18:45:46,020 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1009 1015) no Hoare annotation was computed. [2018-12-02 18:45:46,020 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1016 1024) no Hoare annotation was computed. [2018-12-02 18:45:46,020 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1016 1024) the Hoare annotation is: true [2018-12-02 18:45:46,020 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1016 1024) no Hoare annotation was computed. [2018-12-02 18:45:46,020 INFO L451 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2018-12-02 18:45:46,020 INFO L448 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-12-02 18:45:46,020 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2018-12-02 18:45:46,020 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2018-12-02 18:45:46,020 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L444 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 18:45:46,021 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 18:45:46,021 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 18:45:46,021 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1))) [2018-12-02 18:45:46,021 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1))) [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) [2018-12-02 18:45:46,021 INFO L448 ceAbstractionStarter]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2018-12-02 18:45:46,021 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 320 344) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-02 18:45:46,022 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 320 344) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~4))))) [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0))))) [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (and (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0))))) [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 415 423) the Hoare annotation is: true [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 415 423) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L451 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2018-12-02 18:45:46,022 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 1002 1008) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 1002 1008) the Hoare annotation is: true [2018-12-02 18:45:46,023 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 404 414) the Hoare annotation is: true [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 404 414) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L451 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: true [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 404 414) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 396 403) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 396 403) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 396 403) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point L971(lines 971 977) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 967 980) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 967 980) the Hoare annotation is: true [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 967 980) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L444 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2018-12-02 18:45:46,023 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-02 18:45:46,024 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 18:45:46,024 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2018-12-02 18:45:46,024 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 18:45:46,024 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L444 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 18:45:46,024 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0))) [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2018-12-02 18:45:46,024 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L444 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 18:45:46,025 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L444 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0))) [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 371 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2)) [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 371 378) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 371 378) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 981 989) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 981 989) the Hoare annotation is: true [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 981 989) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|)) [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L444 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2)) [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point L384-1(line 384) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 379 395) no Hoare annotation was computed. [2018-12-02 18:45:46,025 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 379 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2)) [2018-12-02 18:45:46,025 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2)) [2018-12-02 18:45:46,025 INFO L448 ceAbstractionStarter]: For program point L390-1(lines 379 395) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 392) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 460 478) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 460 478) the Hoare annotation is: true [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 460 478) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L451 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: true [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 958 966) the Hoare annotation is: true [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 958 966) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 958 966) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 914 925) the Hoare annotation is: true [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 914 925) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 926 934) the Hoare annotation is: true [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 926 934) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 926 934) no Hoare annotation was computed. [2018-12-02 18:45:46,026 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) (and (= 0 ~pumpRunning~0) (not .cse0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))))) [2018-12-02 18:45:46,026 INFO L444 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse6 .cse1)) (.cse0 (= ~systemActive~0 0)) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or (and (not .cse0) .cse1) (or .cse2 .cse3) .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse4) (let ((.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse0 .cse3 (and (<= 2 ~waterLevel~0) .cse5) (and .cse6 .cse5)))))) [2018-12-02 18:45:46,026 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1)) (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (< |old(~waterLevel~0)| 2)))) [2018-12-02 18:45:46,026 INFO L444 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1))) [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-02 18:45:46,027 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-02 18:45:46,027 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 890 901) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2)) [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 890 901) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-02 18:45:46,027 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 18:45:46,027 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 18:45:46,027 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 294 318) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)))) [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 294 318) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)))) [2018-12-02 18:45:46,028 INFO L444 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)))) [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 513 520) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 513 520) the Hoare annotation is: true [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 513 520) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 902 913) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 902 913) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 902 913) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1)) (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)))) [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-12-02 18:45:46,028 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2018-12-02 18:45:46,028 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2018-12-02 18:45:46,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:45:46 BoogieIcfgContainer [2018-12-02 18:45:46,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 18:45:46,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:45:46,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:45:46,036 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:45:46,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:33" (3/4) ... [2018-12-02 18:45:46,038 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 18:45:46,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 18:45:46,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 18:45:46,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-02 18:45:46,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 18:45:46,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 18:45:46,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 18:45:46,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 18:45:46,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 18:45:46,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 18:45:46,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 18:45:46,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 18:45:46,051 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-02 18:45:46,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 18:45:46,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 18:45:46,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 18:45:46,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 18:45:46,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 18:45:46,072 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 18:45:46,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 18:45:46,097 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_12134bd2-6dde-4689-9c3d-f5330da6755e/bin-2019/utaipan/witness.graphml [2018-12-02 18:45:46,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:45:46,097 INFO L168 Benchmark]: Toolchain (without parser) took 13789.42 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 816.8 MB). Free memory was 948.1 MB in the beginning and 868.6 MB in the end (delta: 79.5 MB). Peak memory consumption was 896.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:45:46,098 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:45:46,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-02 18:45:46,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:45:46,098 INFO L168 Benchmark]: Boogie Preprocessor took 22.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:45:46,098 INFO L168 Benchmark]: RCFGBuilder took 419.53 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: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:45:46,099 INFO L168 Benchmark]: TraceAbstraction took 12975.67 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 696.8 MB). Free memory was 1.0 GB in the beginning and 888.4 MB in the end (delta: 155.3 MB). Peak memory consumption was 852.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:45:46,099 INFO L168 Benchmark]: Witness Printer took 61.14 ms. Allocated memory is still 1.8 GB. Free memory was 888.4 MB in the beginning and 868.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:45:46,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 419.53 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: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12975.67 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 696.8 MB). Free memory was 1.0 GB in the beginning and 888.4 MB in the end (delta: 155.3 MB). Peak memory consumption was 852.1 MB. Max. memory is 11.5 GB. * Witness Printer took 61.14 ms. Allocated memory is still 1.8 GB. Free memory was 888.4 MB in the beginning and 868.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 193]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 176 locations, 1 error locations. SAFE Result, 12.9s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2134 SDtfs, 2522 SDslu, 5512 SDs, 0 SdLazy, 6573 SolverSat, 1498 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1869 GetRequests, 1701 SyntacticMatches, 26 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1699occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.8s AbstIntTime, 5 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 589 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 3963 PreInvPairs, 4074 NumberOfFragments, 1155 HoareAnnotationTreeSize, 3963 FomulaSimplifications, 6374 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 74 FomulaSimplificationsInter, 10465 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1957 NumberOfCodeBlocks, 1957 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2784 ConstructedInterpolants, 0 QuantifiedInterpolants, 610026 SizeOfPredicates, 20 NumberOfNonLiveVariables, 4571 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 810/897 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...