./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:09:26,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:09:26,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:09:26,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:09:26,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:09:26,539 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:09:26,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:09:26,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:09:26,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:09:26,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:09:26,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:09:26,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:09:26,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:09:26,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:09:26,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:09:26,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:09:26,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:09:26,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:09:26,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:09:26,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:09:26,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:09:26,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:09:26,554 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:09:26,554 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:09:26,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:09:26,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:09:26,555 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:09:26,556 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:09:26,556 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:09:26,557 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:09:26,557 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:09:26,558 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:09:26,558 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:09:26,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:09:26,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:09:26,559 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:09:26,559 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:09:26,569 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:09:26,569 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:09:26,570 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:09:26,570 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:09:26,570 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:09:26,570 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:09:26,571 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:09:26,571 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:09:26,571 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:09:26,571 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:09:26,571 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:09:26,572 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:09:26,572 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:09:26,572 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:09:26,572 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:09:26,572 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:09:26,572 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:09:26,572 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:09:26,572 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:09:26,573 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:09:26,573 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:09:26,573 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:09:26,573 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:09:26,573 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:09:26,573 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:09:26,573 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:09:26,573 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:09:26,574 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:09:26,574 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:09:26,574 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:09:26,574 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:09:26,574 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:09:26,574 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:09:26,574 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:09:26,575 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_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2018-11-10 12:09:26,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:09:26,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:09:26,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:09:26,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:09:26,612 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:09:26,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-10 12:09:26,654 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/data/1580cc1a7/9beddfb5a5d04c25bea71065e6b3457b/FLAGe8a19dfbb [2018-11-10 12:09:27,017 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:09:27,018 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-10 12:09:27,024 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/data/1580cc1a7/9beddfb5a5d04c25bea71065e6b3457b/FLAGe8a19dfbb [2018-11-10 12:09:27,034 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/data/1580cc1a7/9beddfb5a5d04c25bea71065e6b3457b [2018-11-10 12:09:27,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:09:27,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:09:27,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:09:27,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:09:27,041 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:09:27,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8ef00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27, skipping insertion in model container [2018-11-10 12:09:27,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:09:27,079 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:09:27,262 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:09:27,271 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:09:27,322 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:09:27,339 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:09:27,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27 WrapperNode [2018-11-10 12:09:27,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:09:27,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:09:27,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:09:27,341 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:09:27,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:09:27,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:09:27,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:09:27,436 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:09:27,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... [2018-11-10 12:09:27,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:09:27,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:09:27,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:09:27,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:09:27,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:09:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 12:09:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 12:09:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-10 12:09:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-10 12:09:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:09:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:09:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 12:09:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 12:09:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 12:09:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 12:09:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 12:09:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 12:09:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 12:09:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 12:09:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 12:09:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 12:09:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 12:09:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 12:09:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 12:09:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 12:09:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 12:09:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 12:09:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:09:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:09:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:09:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:09:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 12:09:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 12:09:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 12:09:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 12:09:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:09:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:09:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 12:09:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 12:09:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 12:09:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 12:09:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:09:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:09:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 12:09:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 12:09:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 12:09:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 12:09:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 12:09:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 12:09:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 12:09:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 12:09:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:09:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:09:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:09:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:09:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:09:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:09:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 12:09:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 12:09:28,005 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:09:28,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:09:28 BoogieIcfgContainer [2018-11-10 12:09:28,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:09:28,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:09:28,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:09:28,008 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:09:28,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:09:27" (1/3) ... [2018-11-10 12:09:28,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8486bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:09:28, skipping insertion in model container [2018-11-10 12:09:28,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:27" (2/3) ... [2018-11-10 12:09:28,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8486bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:09:28, skipping insertion in model container [2018-11-10 12:09:28,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:09:28" (3/3) ... [2018-11-10 12:09:28,011 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-10 12:09:28,018 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:09:28,024 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:09:28,034 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:09:28,061 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:09:28,061 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:09:28,061 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:09:28,061 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:09:28,061 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:09:28,061 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:09:28,061 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:09:28,061 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:09:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-10 12:09:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:09:28,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:09:28,083 INFO L375 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] [2018-11-10 12:09:28,085 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:09:28,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:09:28,088 INFO L82 PathProgramCache]: Analyzing trace with hash 554691236, now seen corresponding path program 1 times [2018-11-10 12:09:28,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:09:28,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:28,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:09:28,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:28,126 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:09:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:09:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:09:28,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:09:28,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:09:28,285 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:09:28,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 12:09:28,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 12:09:28,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:09:28,303 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-10 12:09:28,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:09:28,333 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-11-10 12:09:28,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 12:09:28,335 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 12:09:28,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:09:28,344 INFO L225 Difference]: With dead ends: 260 [2018-11-10 12:09:28,345 INFO L226 Difference]: Without dead ends: 130 [2018-11-10 12:09:28,348 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:09:28,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-10 12:09:28,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-10 12:09:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-10 12:09:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2018-11-10 12:09:28,389 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 46 [2018-11-10 12:09:28,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:09:28,390 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2018-11-10 12:09:28,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 12:09:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2018-11-10 12:09:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:09:28,392 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:09:28,393 INFO L375 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] [2018-11-10 12:09:28,393 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:09:28,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:09:28,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1063757237, now seen corresponding path program 1 times [2018-11-10 12:09:28,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:09:28,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:28,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:09:28,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:28,395 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:09:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:09:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:09:28,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:09:28,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:09:28,472 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:09:28,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:09:28,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:09:28,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:09:28,474 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 3 states. [2018-11-10 12:09:28,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:09:28,493 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2018-11-10 12:09:28,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:09:28,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 12:09:28,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:09:28,495 INFO L225 Difference]: With dead ends: 201 [2018-11-10 12:09:28,495 INFO L226 Difference]: Without dead ends: 120 [2018-11-10 12:09:28,496 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:09:28,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-10 12:09:28,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-10 12:09:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-10 12:09:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-11-10 12:09:28,505 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 48 [2018-11-10 12:09:28,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:09:28,505 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-11-10 12:09:28,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:09:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-11-10 12:09:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:09:28,506 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:09:28,506 INFO L375 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] [2018-11-10 12:09:28,507 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:09:28,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:09:28,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1715346792, now seen corresponding path program 1 times [2018-11-10 12:09:28,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:09:28,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:28,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:09:28,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:28,508 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:09:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:09:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:09:28,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:09:28,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:09:28,646 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:09:28,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:09:28,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:09:28,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:09:28,647 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-11-10 12:09:28,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:09:28,983 INFO L93 Difference]: Finished difference Result 363 states and 439 transitions. [2018-11-10 12:09:28,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:09:28,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 12:09:28,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:09:28,987 INFO L225 Difference]: With dead ends: 363 [2018-11-10 12:09:28,987 INFO L226 Difference]: Without dead ends: 267 [2018-11-10 12:09:28,988 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:09:28,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-11-10 12:09:29,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 259. [2018-11-10 12:09:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-11-10 12:09:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 313 transitions. [2018-11-10 12:09:29,016 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 313 transitions. Word has length 52 [2018-11-10 12:09:29,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:09:29,016 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 313 transitions. [2018-11-10 12:09:29,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:09:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 313 transitions. [2018-11-10 12:09:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:09:29,018 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:09:29,018 INFO L375 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] [2018-11-10 12:09:29,018 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:09:29,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:09:29,019 INFO L82 PathProgramCache]: Analyzing trace with hash -63093566, now seen corresponding path program 1 times [2018-11-10 12:09:29,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:09:29,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:29,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:09:29,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:29,020 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:09:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:09:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:09:29,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:09:29,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 12:09:29,149 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:09:29,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 12:09:29,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 12:09:29,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:09:29,150 INFO L87 Difference]: Start difference. First operand 259 states and 313 transitions. Second operand 10 states. [2018-11-10 12:09:29,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:09:29,632 INFO L93 Difference]: Finished difference Result 916 states and 1171 transitions. [2018-11-10 12:09:29,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 12:09:29,632 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-10 12:09:29,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:09:29,635 INFO L225 Difference]: With dead ends: 916 [2018-11-10 12:09:29,635 INFO L226 Difference]: Without dead ends: 681 [2018-11-10 12:09:29,637 INFO L605 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 [2018-11-10 12:09:29,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-11-10 12:09:29,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 669. [2018-11-10 12:09:29,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-11-10 12:09:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 829 transitions. [2018-11-10 12:09:29,685 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 829 transitions. Word has length 58 [2018-11-10 12:09:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:09:29,686 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 829 transitions. [2018-11-10 12:09:29,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 12:09:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 829 transitions. [2018-11-10 12:09:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:09:29,688 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:09:29,688 INFO L375 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, 1] [2018-11-10 12:09:29,688 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:09:29,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:09:29,689 INFO L82 PathProgramCache]: Analyzing trace with hash -7483096, now seen corresponding path program 1 times [2018-11-10 12:09:29,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:09:29,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:29,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:09:29,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:29,690 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:09:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:09:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:09:29,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:09:29,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:09:29,748 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:09:29,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:09:29,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:09:29,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:09:29,750 INFO L87 Difference]: Start difference. First operand 669 states and 829 transitions. Second operand 4 states. [2018-11-10 12:09:29,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:09:29,910 INFO L93 Difference]: Finished difference Result 1080 states and 1378 transitions. [2018-11-10 12:09:29,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:09:29,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-10 12:09:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:09:29,912 INFO L225 Difference]: With dead ends: 1080 [2018-11-10 12:09:29,912 INFO L226 Difference]: Without dead ends: 435 [2018-11-10 12:09:29,914 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:09:29,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-11-10 12:09:29,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 423. [2018-11-10 12:09:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-11-10 12:09:29,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 485 transitions. [2018-11-10 12:09:29,935 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 485 transitions. Word has length 62 [2018-11-10 12:09:29,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:09:29,936 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 485 transitions. [2018-11-10 12:09:29,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:09:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 485 transitions. [2018-11-10 12:09:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 12:09:29,937 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:09:29,938 INFO L375 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, 1] [2018-11-10 12:09:29,938 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:09:29,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:09:29,938 INFO L82 PathProgramCache]: Analyzing trace with hash 686990868, now seen corresponding path program 1 times [2018-11-10 12:09:29,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:09:29,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:29,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:09:29,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:09:29,939 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:09:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:09:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 12:09:30,035 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:09:30,035 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:09:30,036 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 91 with the following transitions: [2018-11-10 12:09:30,037 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [61], [63], [64], [65], [66], [78], [107], [111], [117], [121], [125], [128], [133], [139], [141], [144], [146], [149], [162], [163], [164], [165], [205], [212], [215], [228], [231], [235], [236], [239], [240], [241], [242], [243], [245], [246], [247], [248], [249], [250], [251], [252], [253], [267], [279], [280], [283], [284], [285], [286], [297], [298], [299], [300], [301] [2018-11-10 12:09:30,081 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:09:30,081 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:09:39,379 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 12:09:39,380 INFO L272 AbstractInterpreter]: Visited 60 different actions 124 times. Merged at 14 different actions 21 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-10 12:09:39,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:09:39,391 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 12:09:49,365 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 97.6% of their original sizes. [2018-11-10 12:09:49,366 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 12:09:49,914 INFO L415 sIntCurrentIteration]: We unified 89 AI predicates to 89 [2018-11-10 12:09:49,914 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 12:09:49,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 12:09:49,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [29] imperfect sequences [7] total 34 [2018-11-10 12:09:49,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:09:49,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-10 12:09:49,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-10 12:09:49,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=685, Unknown=0, NotChecked=0, Total=812 [2018-11-10 12:09:49,916 INFO L87 Difference]: Start difference. First operand 423 states and 485 transitions. Second operand 29 states. [2018-11-10 12:10:08,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:10:08,909 INFO L93 Difference]: Finished difference Result 625 states and 747 transitions. [2018-11-10 12:10:08,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-10 12:10:08,909 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 90 [2018-11-10 12:10:08,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:10:08,909 INFO L225 Difference]: With dead ends: 625 [2018-11-10 12:10:08,909 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:10:08,911 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=367, Invalid=2285, Unknown=0, NotChecked=0, Total=2652 [2018-11-10 12:10:08,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:10:08,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:10:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:10:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:10:08,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-10 12:10:08,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:10:08,912 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:10:08,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-10 12:10:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:10:08,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:10:08,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:10:09,172 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2018-11-10 12:10:09,361 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 234 [2018-11-10 12:10:09,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:10:09,498 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2018-11-10 12:10:09,917 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 26 [2018-11-10 12:10:10,650 WARN L179 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 50 [2018-11-10 12:10:11,294 WARN L179 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 47 [2018-11-10 12:10:12,030 WARN L179 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 53 [2018-11-10 12:10:12,248 WARN L179 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 34 [2018-11-10 12:10:12,509 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 34 [2018-11-10 12:10:12,869 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 41 [2018-11-10 12:10:13,025 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 31 [2018-11-10 12:10:13,372 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 47 [2018-11-10 12:10:13,878 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 36 [2018-11-10 12:10:14,216 WARN L179 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 59 [2018-11-10 12:10:14,257 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-10 12:10:14,257 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-10 12:10:14,257 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-10 12:10:14,257 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-10 12:10:14,258 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-10 12:10:14,258 INFO L425 ceAbstractionStarter]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2018-11-10 12:10:14,258 INFO L428 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: true [2018-11-10 12:10:14,258 INFO L425 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-11-10 12:10:14,258 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2018-11-10 12:10:14,258 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2018-11-10 12:10:14,258 INFO L421 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: (let ((.cse0 (* 2 ~pumpRunning~0))) (let ((.cse1 (< 0 .cse0))) (and (or (< .cse0 0) (not (= ~waterLevel~0 1)) .cse1) (or (< (* 2 ~waterLevel~0) 4) .cse1 (< (+ ~pumpRunning~0 2) ~waterLevel~0))))) [2018-11-10 12:10:14,258 INFO L425 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2018-11-10 12:10:14,258 INFO L421 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: (let ((.cse0 (* 2 ~pumpRunning~0))) (let ((.cse1 (< 0 .cse0))) (and (or (< .cse0 0) (not (= ~waterLevel~0 1)) .cse1) (or (< (* 2 ~waterLevel~0) 4) .cse1 (< (+ ~pumpRunning~0 2) ~waterLevel~0))))) [2018-11-10 12:10:14,258 INFO L425 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2018-11-10 12:10:14,258 INFO L425 ceAbstractionStarter]: For program point L930(lines 930 943) no Hoare annotation was computed. [2018-11-10 12:10:14,259 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-10 12:10:14,259 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-10 12:10:14,259 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:10:14,259 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:10:14,259 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:10:14,259 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:10:14,259 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-10 12:10:14,259 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-10 12:10:14,259 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (= main_~tmp~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:10:14,259 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (= main_~tmp~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:10:14,260 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-10 12:10:14,260 INFO L421 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< 0 .cse3))) (and (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse1 .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse2 .cse0 (< .cse3 0) (not (= ~waterLevel~0 1)) .cse1)))) [2018-11-10 12:10:14,260 INFO L425 ceAbstractionStarter]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2018-11-10 12:10:14,260 INFO L421 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-11-10 12:10:14,260 INFO L421 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-11-10 12:10:14,260 INFO L425 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2018-11-10 12:10:14,260 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< 0 .cse3))) (and (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse1 .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse2 .cse0 (< .cse3 0) (not (= ~waterLevel~0 1)) .cse1)))) [2018-11-10 12:10:14,260 INFO L421 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-11-10 12:10:14,260 INFO L425 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2018-11-10 12:10:14,260 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2018-11-10 12:10:14,261 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2018-11-10 12:10:14,261 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2018-11-10 12:10:14,261 INFO L421 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (< 0 .cse1))) (and (or (< (* 2 ~waterLevel~0) 4) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (< .cse1 0) (not (= ~waterLevel~0 1)) .cse0)))) [2018-11-10 12:10:14,261 INFO L425 ceAbstractionStarter]: For program point L909(lines 909 915) no Hoare annotation was computed. [2018-11-10 12:10:14,261 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 905 919) the Hoare annotation is: (let ((.cse6 (+ |old(~pumpRunning~0)| 2)) (.cse5 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (+ ~waterLevel~0 |old(~systemActive~0)|)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 0 .cse5)) (.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse3 (< .cse6 ~waterLevel~0))) (and (or (< .cse0 2) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (and (<= 2 .cse1) (<= ~systemActive~0 ~waterLevel~0)) .cse2 .cse3) (or .cse4 (< (* 2 ~waterLevel~0) 4) .cse2 .cse3) (or (and (<= .cse1 3) (<= (+ ~pumpRunning~0 1) ~systemActive~0)) (< .cse0 3) (< ~waterLevel~0 (+ |old(~systemActive~0)| 1)) .cse2 .cse3) (or .cse4 (< .cse5 0) (not (= ~waterLevel~0 1)) .cse2) (or (not (= |old(~systemActive~0)| 0)) (< ~waterLevel~0 .cse6) (<= .cse1 2) (< |old(~pumpRunning~0)| |old(~systemActive~0)|) (< 0 (+ |old(~pumpRunning~0)| |old(~systemActive~0)|)) .cse3)))) [2018-11-10 12:10:14,261 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 905 919) no Hoare annotation was computed. [2018-11-10 12:10:14,261 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2018-11-10 12:10:14,261 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2018-11-10 12:10:14,261 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2018-11-10 12:10:14,261 INFO L425 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2018-11-10 12:10:14,261 INFO L428 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-11-10 12:10:14,261 INFO L425 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2018-11-10 12:10:14,262 INFO L425 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-10 12:10:14,262 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2018-11-10 12:10:14,262 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2018-11-10 12:10:14,262 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2018-11-10 12:10:14,262 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-10 12:10:14,262 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-10 12:10:14,262 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:10:14,262 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-10 12:10:14,262 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-10 12:10:14,262 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2018-11-10 12:10:14,262 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2018-11-10 12:10:14,262 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2018-11-10 12:10:14,262 INFO L428 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-11-10 12:10:14,262 INFO L425 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-10 12:10:14,263 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2018-11-10 12:10:14,263 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2018-11-10 12:10:14,263 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2018-11-10 12:10:14,263 INFO L421 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< 0 .cse3))) (and (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse1 .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse2 .cse0 (< .cse3 0) (not (= ~waterLevel~0 1)) .cse1)))) [2018-11-10 12:10:14,263 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2018-11-10 12:10:14,263 INFO L425 ceAbstractionStarter]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2018-11-10 12:10:14,263 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< 0 .cse3))) (and (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse1 .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse2 .cse0 (< .cse3 0) (not (= ~waterLevel~0 1)) .cse1)))) [2018-11-10 12:10:14,263 INFO L421 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-11-10 12:10:14,263 INFO L421 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-11-10 12:10:14,264 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2018-11-10 12:10:14,264 INFO L421 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< 0 .cse1))) (and (or .cse0 (< .cse1 0) (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< (* 2 ~waterLevel~0) 4) .cse2 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))))) [2018-11-10 12:10:14,264 INFO L425 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2018-11-10 12:10:14,264 INFO L425 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2018-11-10 12:10:14,264 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2018-11-10 12:10:14,264 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2018-11-10 12:10:14,264 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 640 705) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:10:14,264 INFO L421 ceAbstractionStarter]: At program point L698(lines 649 699) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:10:14,264 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2018-11-10 12:10:14,264 INFO L421 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (let ((.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse0 (<= 1 .cse5)) (.cse1 (<= test_~tmp~4 (+ ~pumpRunning~0 2147483647))) (.cse2 (<= test_~splverifierCounter~0 (+ test_~tmp~4 2147483648))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and (<= 0 (+ ~pumpRunning~0 test_~tmp___1~0 2147483648)) (<= .cse5 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) .cse0 (<= (+ ~waterLevel~0 test_~tmp___1~0) 2147483649) .cse1 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse2 (<= test_~tmp___2~0 (+ ~waterLevel~0 2147483645)) .cse3 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse4) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 12:10:14,264 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2018-11-10 12:10:14,265 INFO L421 ceAbstractionStarter]: At program point L686-1(lines 680 693) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse1 (<= 1 .cse0)) (.cse2 (<= test_~tmp~4 (+ ~pumpRunning~0 2147483647))) (.cse3 (<= test_~splverifierCounter~0 (+ test_~tmp~4 2147483648))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= .cse0 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) .cse1 .cse2 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse3 (<= test_~tmp___2~0 (+ ~waterLevel~0 2147483645)) .cse4 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse5) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse1 .cse2 .cse3 .cse4 .cse5) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 12:10:14,265 INFO L425 ceAbstractionStarter]: For program point L651(lines 650 697) no Hoare annotation was computed. [2018-11-10 12:10:14,265 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 693) no Hoare annotation was computed. [2018-11-10 12:10:14,265 INFO L421 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse1 (<= 1 .cse0)) (.cse2 (<= test_~tmp~4 (+ ~pumpRunning~0 2147483647))) (.cse3 (<= test_~splverifierCounter~0 (+ test_~tmp~4 2147483648))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= .cse0 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) .cse1 .cse2 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse3 .cse4 .cse5) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse1 .cse2 .cse3 .cse4 .cse5) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 12:10:14,265 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 676) no Hoare annotation was computed. [2018-11-10 12:10:14,265 INFO L425 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2018-11-10 12:10:14,265 INFO L421 ceAbstractionStarter]: At program point L695(lines 650 697) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse6 (<= ~waterLevel~0 (+ ~pumpRunning~0 1))) (.cse1 (<= 1 .cse0)) (.cse2 (<= test_~tmp~4 (+ ~pumpRunning~0 2147483647))) (.cse3 (<= test_~splverifierCounter~0 (+ test_~tmp~4 2147483648))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= .cse0 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) .cse1 .cse2 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse3 (<= test_~tmp___2~0 (+ ~waterLevel~0 2147483645)) .cse4 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse5) (and (= ~systemActive~0 1) .cse6 .cse1 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 12:10:14,265 INFO L421 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse1 (<= 1 .cse0)) (.cse2 (<= test_~tmp~4 (+ ~pumpRunning~0 2147483647))) (.cse3 (<= test_~splverifierCounter~0 (+ test_~tmp~4 2147483648))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= .cse0 2) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) .cse1 .cse2 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse3 (<= test_~tmp___2~0 (+ ~waterLevel~0 2147483645)) .cse4 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse5) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse1 .cse2 .cse3 .cse4 .cse5) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 12:10:14,265 INFO L425 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point L650-1(lines 650 697) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: true [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2018-11-10 12:10:14,266 INFO L425 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2018-11-10 12:10:14,267 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-10 12:10:14,267 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-10 12:10:14,267 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-10 12:10:14,267 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-10 12:10:14,267 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-10 12:10:14,267 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-10 12:10:14,267 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-10 12:10:14,267 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-10 12:10:14,267 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-10 12:10:14,267 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-10 12:10:14,267 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-10 12:10:14,267 INFO L421 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse4 (< 0 .cse3)) (.cse1 (not (= ~systemActive~0 0))) (.cse0 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (<= .cse0 1) (<= 1 .cse0) .cse1 .cse2) (< .cse3 0) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (< (* 2 |old(~waterLevel~0)|) 4) .cse4 (and .cse1 (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= 2 .cse0) .cse2) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|))))) [2018-11-10 12:10:14,268 INFO L421 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 0 .cse3))) (and (or (< (* 2 |old(~waterLevel~0)|) 4) .cse0 (and (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= 2 .cse1) .cse2) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= .cse1 1) .cse2) (< .cse3 0) (not (= |old(~waterLevel~0)| 1)) .cse0)))) [2018-11-10 12:10:14,268 INFO L421 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (* 2 |old(~pumpRunning~0)|))) (let ((.cse1 (< 0 .cse0))) (and (or (< .cse0 0) (not (= |old(~waterLevel~0)| 1)) .cse1) (or (< (* 2 |old(~waterLevel~0)|) 4) .cse1 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|))))) [2018-11-10 12:10:14,268 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: (let ((.cse3 (* 2 |old(~pumpRunning~0)|))) (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 0 .cse3))) (and (or (< (* 2 |old(~waterLevel~0)|) 4) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= 2 .cse0) .cse1) .cse2 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= .cse0 1) .cse1) (< .cse3 0) (not (= |old(~waterLevel~0)| 1)) .cse2)))) [2018-11-10 12:10:14,268 INFO L425 ceAbstractionStarter]: For program point L718(lines 717 736) no Hoare annotation was computed. [2018-11-10 12:10:14,268 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2018-11-10 12:10:14,268 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2018-11-10 12:10:14,268 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2018-11-10 12:10:14,268 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2018-11-10 12:10:14,268 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2018-11-10 12:10:14,268 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2018-11-10 12:10:14,268 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2018-11-10 12:10:14,268 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2018-11-10 12:10:14,268 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:10:14,269 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-10 12:10:14,269 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:10:14,269 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:10:14,269 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-10 12:10:14,269 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-10 12:10:14,269 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2018-11-10 12:10:14,269 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2018-11-10 12:10:14,269 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: (let ((.cse1 (* 2 ~pumpRunning~0))) (let ((.cse0 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (< 0 .cse1))) (and (or (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= .cse0 1)) (< .cse1 0) (not (= |old(~waterLevel~0)| 1)) .cse2) (let ((.cse3 (+ ~pumpRunning~0 2))) (or (< (* 2 |old(~waterLevel~0)|) 4) (and (<= ~waterLevel~0 .cse3) (<= 2 .cse0)) .cse2 (< .cse3 |old(~waterLevel~0)|)))))) [2018-11-10 12:10:14,269 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 948 955) no Hoare annotation was computed. [2018-11-10 12:10:14,269 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2018-11-10 12:10:14,269 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2018-11-10 12:10:14,269 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2018-11-10 12:10:14,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:10:14 BoogieIcfgContainer [2018-11-10 12:10:14,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:10:14,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:10:14,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:10:14,280 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:10:14,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:09:28" (3/4) ... [2018-11-10 12:10:14,283 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:10:14,288 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 12:10:14,288 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 12:10:14,288 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-10 12:10:14,288 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:10:14,288 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:10:14,288 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 12:10:14,288 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:10:14,289 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 12:10:14,290 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 12:10:14,290 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 12:10:14,290 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:10:14,290 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 12:10:14,298 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 12:10:14,299 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 12:10:14,299 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 12:10:14,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || (((((((((pumpRunning + waterLevel <= 2 && splverifierCounter + tmp___0 <= 2147483647) && 1 <= pumpRunning + waterLevel) && tmp <= pumpRunning + 2147483647) && 0 <= pumpRunning + tmp___0 + 2147483648) && splverifierCounter <= tmp + 2147483648) && tmp___2 <= waterLevel + 2147483645) && pumpRunning == 0) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0)) || ((((systemActive == 1 && waterLevel <= pumpRunning + 1) && 1 <= pumpRunning + waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= pumpRunning + 1 && 1 <= pumpRunning + waterLevel) && tmp <= pumpRunning + 2147483647) && splverifierCounter <= tmp + 2147483648) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 12:10:14,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(systemActive) == 1) || \old(pumpRunning) + 1 < \old(systemActive)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 12:10:14,356 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_051c827d-b62b-41b5-a7bc-97d1cd3dffb4/bin-2019/utaipan/witness.graphml [2018-11-10 12:10:14,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:10:14,357 INFO L168 Benchmark]: Toolchain (without parser) took 47319.98 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 956.6 MB in the beginning and 4.4 GB in the end (delta: -3.4 GB). Peak memory consumption was 220.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:10:14,358 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:10:14,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.45 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:10:14,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:10:14,359 INFO L168 Benchmark]: Boogie Preprocessor took 35.98 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:10:14,359 INFO L168 Benchmark]: RCFGBuilder took 534.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:10:14,359 INFO L168 Benchmark]: TraceAbstraction took 46273.38 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 4.4 GB in the end (delta: -3.4 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-11-10 12:10:14,359 INFO L168 Benchmark]: Witness Printer took 76.66 ms. Allocated memory is still 4.7 GB. Free memory is still 4.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:10:14,361 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.45 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.98 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 534.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 46273.38 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 4.4 GB in the end (delta: -3.4 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 76.66 ms. Allocated memory is still 4.7 GB. Free memory is still 4.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || (((((((((pumpRunning + waterLevel <= 2 && splverifierCounter + tmp___0 <= 2147483647) && 1 <= pumpRunning + waterLevel) && tmp <= pumpRunning + 2147483647) && 0 <= pumpRunning + tmp___0 + 2147483648) && splverifierCounter <= tmp + 2147483648) && tmp___2 <= waterLevel + 2147483645) && pumpRunning == 0) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0)) || ((((systemActive == 1 && waterLevel <= pumpRunning + 1) && 1 <= pumpRunning + waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= pumpRunning + 1 && 1 <= pumpRunning + waterLevel) && tmp <= pumpRunning + 2147483647) && splverifierCounter <= tmp + 2147483648) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || \old(pumpRunning) + 1 < \old(systemActive)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 46.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 20.0s AutomataDifference, 0.0s DeadEndRemovalTime, 5.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 889 SDtfs, 1182 SDslu, 2732 SDs, 0 SdLazy, 1379 SolverSat, 372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 164 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 850 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=669occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9917265198907953 AbsIntWeakeningRatio, 1.1123595505617978 AbsIntAvgWeakeningVarsNumRemoved, 7785.651685393258 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 813 PreInvPairs, 884 NumberOfFragments, 1876 HoareAnnotationTreeSize, 813 FomulaSimplifications, 14248 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 60 FomulaSimplificationsInter, 30106 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 44977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...