./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03_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_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/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 7d22266300e6cd9ced6ad4763303b2f8762682aa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 03:57:19,741 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:57:19,742 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:57:19,749 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:57:19,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:57:19,749 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:57:19,750 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:57:19,751 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:57:19,752 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:57:19,752 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:57:19,753 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:57:19,753 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:57:19,754 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:57:19,754 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:57:19,755 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:57:19,755 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:57:19,756 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:57:19,757 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:57:19,758 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:57:19,758 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:57:19,759 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:57:19,760 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:57:19,761 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:57:19,761 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:57:19,761 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:57:19,761 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:57:19,762 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:57:19,762 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:57:19,763 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:57:19,763 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:57:19,764 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:57:19,764 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:57:19,764 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:57:19,764 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:57:19,765 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:57:19,765 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:57:19,765 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 03:57:19,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:57:19,773 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:57:19,773 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:57:19,774 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:57:19,774 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:57:19,774 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:57:19,774 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:57:19,774 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 03:57:19,774 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:57:19,774 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:57:19,775 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 03:57:19,775 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 03:57:19,775 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:57:19,775 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:57:19,775 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:57:19,775 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 03:57:19,776 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:57:19,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:57:19,776 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:57:19,776 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:57:19,776 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:57:19,776 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:57:19,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:57:19,776 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:57:19,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:57:19,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:57:19,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:57:19,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:57:19,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:57:19,777 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:57:19,777 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:57:19,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:57:19,778 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 03:57:19,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:57:19,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 03:57:19,778 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 03:57:19,778 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_cd533538-5475-4e8f-b9e7-f123d1f088b2/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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2018-12-03 03:57:19,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:57:19,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:57:19,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:57:19,805 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:57:19,805 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:57:19,806 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-12-03 03:57:19,846 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/data/0dc80af40/44d6113ee9a74827ab78bf3b20f4eb9d/FLAGba644e2c6 [2018-12-03 03:57:20,275 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:57:20,276 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-12-03 03:57:20,281 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/data/0dc80af40/44d6113ee9a74827ab78bf3b20f4eb9d/FLAGba644e2c6 [2018-12-03 03:57:20,289 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/data/0dc80af40/44d6113ee9a74827ab78bf3b20f4eb9d [2018-12-03 03:57:20,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:57:20,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:57:20,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:57:20,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:57:20,296 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:57:20,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20, skipping insertion in model container [2018-12-03 03:57:20,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:57:20,326 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:57:20,477 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:57:20,518 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:57:20,566 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:57:20,579 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:57:20,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20 WrapperNode [2018-12-03 03:57:20,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:57:20,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:57:20,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:57:20,580 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:57:20,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:57:20,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:57:20,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:57:20,600 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:57:20,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... [2018-12-03 03:57:20,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:57:20,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:57:20,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:57:20,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:57:20,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/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 [2018-12-03 03:57:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 03:57:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 03:57:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 03:57:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 03:57:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-03 03:57:20,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-03 03:57:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:57:20,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:57:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 03:57:20,652 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 03:57:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 03:57:20,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 03:57:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 03:57:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 03:57:20,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 03:57:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 03:57:20,652 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 03:57:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 03:57:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 03:57:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 03:57:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 03:57:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 03:57:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 03:57:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 03:57:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:57:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:57:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 03:57:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 03:57:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 03:57:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 03:57:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 03:57:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 03:57:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 03:57:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 03:57:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 03:57:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 03:57:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 03:57:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 03:57:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:57:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:57:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 03:57:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 03:57:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 03:57:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 03:57:20,935 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:57:20,935 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 03:57:20,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:57:20 BoogieIcfgContainer [2018-12-03 03:57:20,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:57:20,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:57:20,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:57:20,938 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:57:20,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:57:20" (1/3) ... [2018-12-03 03:57:20,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aafa3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:57:20, skipping insertion in model container [2018-12-03 03:57:20,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:20" (2/3) ... [2018-12-03 03:57:20,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aafa3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:57:20, skipping insertion in model container [2018-12-03 03:57:20,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:57:20" (3/3) ... [2018-12-03 03:57:20,940 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-12-03 03:57:20,946 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:57:20,951 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:57:20,960 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:57:20,977 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:57:20,977 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:57:20,978 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:57:20,978 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:57:20,978 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:57:20,978 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:57:20,978 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:57:20,978 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:57:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-12-03 03:57:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 03:57:20,993 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:57:20,994 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] [2018-12-03 03:57:20,995 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:57:20,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:57:20,999 INFO L82 PathProgramCache]: Analyzing trace with hash -678485060, now seen corresponding path program 1 times [2018-12-03 03:57:21,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:57:21,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:57:21,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,028 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:57:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:57:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:57:21,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:57:21,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 03:57:21,137 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:57:21,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 03:57:21,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 03:57:21,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 03:57:21,149 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-12-03 03:57:21,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:57:21,167 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2018-12-03 03:57:21,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 03:57:21,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-03 03:57:21,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:57:21,173 INFO L225 Difference]: With dead ends: 180 [2018-12-03 03:57:21,173 INFO L226 Difference]: Without dead ends: 90 [2018-12-03 03:57:21,175 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 [2018-12-03 03:57:21,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-03 03:57:21,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-03 03:57:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-03 03:57:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-12-03 03:57:21,202 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2018-12-03 03:57:21,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:57:21,202 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-12-03 03:57:21,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 03:57:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-12-03 03:57:21,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 03:57:21,204 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:57:21,204 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] [2018-12-03 03:57:21,204 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:57:21,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:57:21,204 INFO L82 PathProgramCache]: Analyzing trace with hash -613777260, now seen corresponding path program 1 times [2018-12-03 03:57:21,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:57:21,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:57:21,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:57:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:57:21,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:57:21,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:57:21,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 03:57:21,257 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:57:21,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:57:21,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:57:21,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:57:21,258 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2018-12-03 03:57:21,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:57:21,268 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2018-12-03 03:57:21,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:57:21,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-03 03:57:21,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:57:21,269 INFO L225 Difference]: With dead ends: 120 [2018-12-03 03:57:21,269 INFO L226 Difference]: Without dead ends: 81 [2018-12-03 03:57:21,270 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 [2018-12-03 03:57:21,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-03 03:57:21,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-03 03:57:21,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-03 03:57:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2018-12-03 03:57:21,275 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2018-12-03 03:57:21,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:57:21,275 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2018-12-03 03:57:21,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:57:21,276 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2018-12-03 03:57:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 03:57:21,276 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:57:21,276 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:57:21,277 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:57:21,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:57:21,277 INFO L82 PathProgramCache]: Analyzing trace with hash -2051684313, now seen corresponding path program 1 times [2018-12-03 03:57:21,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:57:21,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:57:21,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:57:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:57:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:57:21,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:57:21,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 03:57:21,335 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:57:21,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:57:21,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:57:21,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:57:21,336 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 3 states. [2018-12-03 03:57:21,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:57:21,353 INFO L93 Difference]: Finished difference Result 190 states and 226 transitions. [2018-12-03 03:57:21,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:57:21,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-12-03 03:57:21,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:57:21,355 INFO L225 Difference]: With dead ends: 190 [2018-12-03 03:57:21,355 INFO L226 Difference]: Without dead ends: 133 [2018-12-03 03:57:21,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:57:21,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-03 03:57:21,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 123. [2018-12-03 03:57:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-03 03:57:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2018-12-03 03:57:21,366 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 51 [2018-12-03 03:57:21,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:57:21,366 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2018-12-03 03:57:21,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:57:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-12-03 03:57:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-03 03:57:21,367 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:57:21,367 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] [2018-12-03 03:57:21,367 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:57:21,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:57:21,367 INFO L82 PathProgramCache]: Analyzing trace with hash -840532143, now seen corresponding path program 1 times [2018-12-03 03:57:21,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:57:21,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:57:21,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,368 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:57:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:57:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:57:21,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:57:21,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-03 03:57:21,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:57:21,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 03:57:21,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 03:57:21,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 03:57:21,463 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 10 states. [2018-12-03 03:57:21,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:57:21,721 INFO L93 Difference]: Finished difference Result 386 states and 502 transitions. [2018-12-03 03:57:21,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 03:57:21,722 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-12-03 03:57:21,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:57:21,724 INFO L225 Difference]: With dead ends: 386 [2018-12-03 03:57:21,725 INFO L226 Difference]: Without dead ends: 287 [2018-12-03 03:57:21,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-03 03:57:21,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-12-03 03:57:21,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-12-03 03:57:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-03 03:57:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 345 transitions. [2018-12-03 03:57:21,752 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 345 transitions. Word has length 54 [2018-12-03 03:57:21,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:57:21,753 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 345 transitions. [2018-12-03 03:57:21,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 03:57:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 345 transitions. [2018-12-03 03:57:21,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-03 03:57:21,755 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:57:21,755 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] [2018-12-03 03:57:21,756 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:57:21,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:57:21,756 INFO L82 PathProgramCache]: Analyzing trace with hash -621872885, now seen corresponding path program 1 times [2018-12-03 03:57:21,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:57:21,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:57:21,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:57:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:57:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:57:21,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:57:21,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 03:57:21,806 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:57:21,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:57:21,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:57:21,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:57:21,807 INFO L87 Difference]: Start difference. First operand 279 states and 345 transitions. Second operand 3 states. [2018-12-03 03:57:21,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:57:21,821 INFO L93 Difference]: Finished difference Result 502 states and 635 transitions. [2018-12-03 03:57:21,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:57:21,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-03 03:57:21,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:57:21,823 INFO L225 Difference]: With dead ends: 502 [2018-12-03 03:57:21,823 INFO L226 Difference]: Without dead ends: 247 [2018-12-03 03:57:21,824 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:57:21,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-12-03 03:57:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-12-03 03:57:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-12-03 03:57:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 290 transitions. [2018-12-03 03:57:21,842 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 290 transitions. Word has length 58 [2018-12-03 03:57:21,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:57:21,842 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 290 transitions. [2018-12-03 03:57:21,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:57:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 290 transitions. [2018-12-03 03:57:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-03 03:57:21,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:57:21,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:57:21,845 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:57:21,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:57:21,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1834637892, now seen corresponding path program 1 times [2018-12-03 03:57:21,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:57:21,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:57:21,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:21,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:57:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:57:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 03:57:21,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:57:21,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 03:57:21,902 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:57:21,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 03:57:21,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 03:57:21,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 03:57:21,903 INFO L87 Difference]: Start difference. First operand 247 states and 290 transitions. Second operand 4 states. [2018-12-03 03:57:21,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:57:21,995 INFO L93 Difference]: Finished difference Result 482 states and 570 transitions. [2018-12-03 03:57:21,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 03:57:21,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-03 03:57:21,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:57:21,997 INFO L225 Difference]: With dead ends: 482 [2018-12-03 03:57:21,997 INFO L226 Difference]: Without dead ends: 259 [2018-12-03 03:57:21,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 03:57:21,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-12-03 03:57:22,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 247. [2018-12-03 03:57:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-12-03 03:57:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 284 transitions. [2018-12-03 03:57:22,016 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 284 transitions. Word has length 94 [2018-12-03 03:57:22,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:57:22,016 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 284 transitions. [2018-12-03 03:57:22,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 03:57:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 284 transitions. [2018-12-03 03:57:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-03 03:57:22,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:57:22,018 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:57:22,018 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:57:22,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:57:22,019 INFO L82 PathProgramCache]: Analyzing trace with hash 397347106, now seen corresponding path program 1 times [2018-12-03 03:57:22,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:57:22,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:22,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:57:22,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:57:22,020 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:57:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:57:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-03 03:57:22,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:57:22,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 03:57:22,099 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:57:22,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 03:57:22,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 03:57:22,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:57:22,100 INFO L87 Difference]: Start difference. First operand 247 states and 284 transitions. Second operand 6 states. [2018-12-03 03:57:22,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:57:22,218 INFO L93 Difference]: Finished difference Result 251 states and 288 transitions. [2018-12-03 03:57:22,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 03:57:22,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-03 03:57:22,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:57:22,219 INFO L225 Difference]: With dead ends: 251 [2018-12-03 03:57:22,219 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 03:57:22,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 03:57:22,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 03:57:22,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 03:57:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 03:57:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 03:57:22,221 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-12-03 03:57:22,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:57:22,221 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 03:57:22,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 03:57:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 03:57:22,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 03:57:22,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 03:57:22,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:57:22,727 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2018-12-03 03:57:22,728 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2018-12-03 03:57:22,728 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2018-12-03 03:57:22,728 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2018-12-03 03:57:22,728 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2018-12-03 03:57:22,728 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2018-12-03 03:57:22,728 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2018-12-03 03:57:22,728 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2018-12-03 03:57:22,728 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2018-12-03 03:57:22,728 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2018-12-03 03:57:22,728 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,728 INFO L444 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,728 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2018-12-03 03:57:22,729 INFO L444 ceAbstractionStarter]: At program point L504-1(lines 498 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,729 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2018-12-03 03:57:22,729 INFO L448 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2018-12-03 03:57:22,729 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-03 03:57:22,729 INFO L444 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,729 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2018-12-03 03:57:22,729 INFO L448 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2018-12-03 03:57:22,729 INFO L444 ceAbstractionStarter]: At program point L513(lines 468 515) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,729 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,729 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-12-03 03:57:22,729 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L444 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,730 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2018-12-03 03:57:22,730 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-03 03:57:22,730 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-12-03 03:57:22,730 INFO L448 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L448 ceAbstractionStarter]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L451 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-12-03 03:57:22,730 INFO L448 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,730 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2018-12-03 03:57:22,730 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,731 INFO L444 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,731 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2018-12-03 03:57:22,731 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2018-12-03 03:57:22,731 INFO L448 ceAbstractionStarter]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2018-12-03 03:57:22,731 INFO L448 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2018-12-03 03:57:22,731 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,731 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,731 INFO L444 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,731 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2018-12-03 03:57:22,731 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-03 03:57:22,731 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-03 03:57:22,731 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2018-12-03 03:57:22,731 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-12-03 03:57:22,731 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2018-12-03 03:57:22,731 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2018-12-03 03:57:22,731 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: true [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L451 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2018-12-03 03:57:22,732 INFO L451 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L451 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2018-12-03 03:57:22,732 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-12-03 03:57:22,732 INFO L451 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2018-12-03 03:57:22,732 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point L540(lines 539 558) no Hoare annotation was computed. [2018-12-03 03:57:22,733 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))))) [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2018-12-03 03:57:22,733 INFO L444 ceAbstractionStarter]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-03 03:57:22,733 INFO L444 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))))) [2018-12-03 03:57:22,733 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2018-12-03 03:57:22,733 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2018-12-03 03:57:22,733 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:57:22,733 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) [2018-12-03 03:57:22,733 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:57:22,733 INFO L448 ceAbstractionStarter]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2018-12-03 03:57:22,734 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2018-12-03 03:57:22,734 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,734 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-03 03:57:22,734 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-03 03:57:22,734 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-03 03:57:22,734 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-03 03:57:22,734 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-12-03 03:57:22,734 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2018-12-03 03:57:22,734 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2018-12-03 03:57:22,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 03:57:22 BoogieIcfgContainer [2018-12-03 03:57:22,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 03:57:22,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 03:57:22,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 03:57:22,742 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 03:57:22,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:57:20" (3/4) ... [2018-12-03 03:57:22,744 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 03:57:22,748 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 03:57:22,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 03:57:22,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 03:57:22,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 03:57:22,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 03:57:22,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-03 03:57:22,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 03:57:22,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 03:57:22,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 03:57:22,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 03:57:22,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 03:57:22,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-12-03 03:57:22,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-12-03 03:57:22,790 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd533538-5475-4e8f-b9e7-f123d1f088b2/bin-2019/utaipan/witness.graphml [2018-12-03 03:57:22,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 03:57:22,790 INFO L168 Benchmark]: Toolchain (without parser) took 2498.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.6 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. [2018-12-03 03:57:22,791 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:57:22,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:57:22,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:57:22,792 INFO L168 Benchmark]: Boogie Preprocessor took 19.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:57:22,792 INFO L168 Benchmark]: RCFGBuilder took 315.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-03 03:57:22,792 INFO L168 Benchmark]: TraceAbstraction took 1805.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.5 MB). Peak memory consumption was 282.9 MB. Max. memory is 11.5 GB. [2018-12-03 03:57:22,792 INFO L168 Benchmark]: Witness Printer took 48.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-12-03 03:57:22,793 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 315.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1805.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.5 MB). Peak memory consumption was 282.9 MB. Max. memory is 11.5 GB. * Witness Printer took 48.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 467]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 103 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 694 SDtfs, 433 SDslu, 1005 SDs, 0 SdLazy, 325 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 30 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 360 PreInvPairs, 395 NumberOfFragments, 452 HoareAnnotationTreeSize, 360 FomulaSimplifications, 492 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1390 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 49718 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 52/52 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...