./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_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_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:52:51,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:52:51,494 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:52:51,502 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:52:51,503 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:52:51,503 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:52:51,504 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:52:51,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:52:51,506 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:52:51,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:52:51,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:52:51,509 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:52:51,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:52:51,510 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:52:51,511 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:52:51,512 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:52:51,512 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:52:51,514 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:52:51,516 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:52:51,517 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:52:51,518 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:52:51,519 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:52:51,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:52:51,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:52:51,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:52:51,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:52:51,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:52:51,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:52:51,524 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:52:51,525 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:52:51,525 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:52:51,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:52:51,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:52:51,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:52:51,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:52:51,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:52:51,528 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 11:52:51,538 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:52:51,538 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:52:51,539 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:52:51,539 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:52:51,539 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:52:51,540 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:52:51,540 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:52:51,540 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:52:51,540 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:52:51,540 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:52:51,540 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:52:51,541 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:52:51,541 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:52:51,541 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:52:51,541 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:52:51,541 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:52:51,542 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:52:51,542 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:52:51,542 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:52:51,542 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:52:51,542 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:52:51,542 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:52:51,542 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:52:51,543 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:52:51,543 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:52:51,544 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:52:51,545 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:52:51,545 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:52:51,545 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:52:51,545 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:52:51,545 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:52:51,545 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:52:51,545 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:52:51,546 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:52:51,546 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_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2018-11-10 11:52:51,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:52:51,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:52:51,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:52:51,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:52:51,580 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:52:51,580 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-10 11:52:51,616 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/data/ca351d539/32fd6d4e2b6f4debb4be5d40782ff2b4/FLAGc001a73a7 [2018-11-10 11:52:52,066 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:52:52,067 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-10 11:52:52,078 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/data/ca351d539/32fd6d4e2b6f4debb4be5d40782ff2b4/FLAGc001a73a7 [2018-11-10 11:52:52,090 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/data/ca351d539/32fd6d4e2b6f4debb4be5d40782ff2b4 [2018-11-10 11:52:52,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:52:52,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:52:52,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:52:52,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:52:52,097 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:52:52,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bcb58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52, skipping insertion in model container [2018-11-10 11:52:52,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:52:52,138 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:52:52,347 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:52:52,357 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:52:52,422 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:52:52,442 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:52:52,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52 WrapperNode [2018-11-10 11:52:52,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:52:52,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:52:52,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:52:52,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:52:52,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:52:52,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:52:52,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:52:52,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:52:52,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... [2018-11-10 11:52:52,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:52:52,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:52:52,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:52:52,576 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:52:52,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/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 11:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 11:52:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 11:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:52:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:52:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 11:52:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 11:52:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 11:52:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 11:52:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 11:52:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 11:52:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 11:52:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 11:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 11:52:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 11:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 11:52:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 11:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 11:52:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 11:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 11:52:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 11:52:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 11:52:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 11:52:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 11:52:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 11:52:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 11:52:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 11:52:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 11:52:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 11:52:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 11:52:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 11:52:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 11:52:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 11:52:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 11:52:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 11:52:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 11:52:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 11:52:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:52:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:52:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 11:52:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 11:52:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:52:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:52:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 11:52:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 11:52:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 11:52:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 11:52:53,307 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:52:53,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:53 BoogieIcfgContainer [2018-11-10 11:52:53,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:52:53,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:52:53,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:52:53,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:52:53,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:52:52" (1/3) ... [2018-11-10 11:52:53,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476c8ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:53, skipping insertion in model container [2018-11-10 11:52:53,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:52" (2/3) ... [2018-11-10 11:52:53,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476c8ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:53, skipping insertion in model container [2018-11-10 11:52:53,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:53" (3/3) ... [2018-11-10 11:52:53,313 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-10 11:52:53,320 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:52:53,328 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:52:53,340 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:52:53,364 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:52:53,364 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:52:53,364 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:52:53,364 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:52:53,365 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:52:53,365 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:52:53,365 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:52:53,365 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:52:53,381 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-11-10 11:52:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 11:52:53,387 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:53,388 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 11:52:53,390 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:53,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:53,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1892898329, now seen corresponding path program 1 times [2018-11-10 11:52:53,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:53,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:53,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:53,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:53,432 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:53,597 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 11:52:53,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:53,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:52:53,599 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:53,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:52:53,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:52:53,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:52:53,614 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-11-10 11:52:53,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:53,645 INFO L93 Difference]: Finished difference Result 212 states and 263 transitions. [2018-11-10 11:52:53,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:52:53,646 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 11:52:53,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:53,657 INFO L225 Difference]: With dead ends: 212 [2018-11-10 11:52:53,657 INFO L226 Difference]: Without dead ends: 106 [2018-11-10 11:52:53,660 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 11:52:53,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-10 11:52:53,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-10 11:52:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-10 11:52:53,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2018-11-10 11:52:53,699 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 46 [2018-11-10 11:52:53,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:53,700 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2018-11-10 11:52:53,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:52:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2018-11-10 11:52:53,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 11:52:53,702 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:53,702 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 11:52:53,703 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:53,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:53,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1268487635, now seen corresponding path program 1 times [2018-11-10 11:52:53,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:53,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:53,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:53,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:53,704 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:53,801 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 11:52:53,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:53,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:52:53,801 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:53,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:52:53,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:52:53,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:52:53,803 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 3 states. [2018-11-10 11:52:53,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:53,824 INFO L93 Difference]: Finished difference Result 159 states and 183 transitions. [2018-11-10 11:52:53,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:52:53,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 11:52:53,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:53,826 INFO L225 Difference]: With dead ends: 159 [2018-11-10 11:52:53,826 INFO L226 Difference]: Without dead ends: 96 [2018-11-10 11:52:53,827 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 11:52:53,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-10 11:52:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-10 11:52:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-10 11:52:53,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2018-11-10 11:52:53,834 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 48 [2018-11-10 11:52:53,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:53,834 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2018-11-10 11:52:53,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:52:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-11-10 11:52:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 11:52:53,835 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:53,836 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 11:52:53,836 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:53,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:53,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1213824970, now seen corresponding path program 1 times [2018-11-10 11:52:53,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:53,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:53,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:53,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:53,837 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:53,955 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 11:52:53,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:53,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 11:52:53,956 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:53,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:52:53,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:52:53,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:52:53,957 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 7 states. [2018-11-10 11:52:54,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:54,239 INFO L93 Difference]: Finished difference Result 168 states and 197 transitions. [2018-11-10 11:52:54,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:52:54,240 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 11:52:54,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:54,240 INFO L225 Difference]: With dead ends: 168 [2018-11-10 11:52:54,241 INFO L226 Difference]: Without dead ends: 96 [2018-11-10 11:52:54,241 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 11:52:54,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-10 11:52:54,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-10 11:52:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-10 11:52:54,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2018-11-10 11:52:54,250 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 52 [2018-11-10 11:52:54,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:54,250 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2018-11-10 11:52:54,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:52:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2018-11-10 11:52:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 11:52:54,252 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:54,252 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] [2018-11-10 11:52:54,252 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:54,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:54,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1597086592, now seen corresponding path program 1 times [2018-11-10 11:52:54,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:54,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:54,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:54,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:54,254 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:54,345 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 11:52:54,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:54,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:52:54,346 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:54,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:52:54,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:52:54,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:52:54,347 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 6 states. [2018-11-10 11:52:54,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:54,532 INFO L93 Difference]: Finished difference Result 233 states and 276 transitions. [2018-11-10 11:52:54,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:52:54,533 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-10 11:52:54,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:54,535 INFO L225 Difference]: With dead ends: 233 [2018-11-10 11:52:54,535 INFO L226 Difference]: Without dead ends: 161 [2018-11-10 11:52:54,536 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:52:54,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-10 11:52:54,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2018-11-10 11:52:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-10 11:52:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 184 transitions. [2018-11-10 11:52:54,553 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 184 transitions. Word has length 60 [2018-11-10 11:52:54,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:54,554 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 184 transitions. [2018-11-10 11:52:54,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:52:54,554 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 184 transitions. [2018-11-10 11:52:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 11:52:54,556 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:54,556 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, 1, 1] [2018-11-10 11:52:54,556 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:54,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:54,556 INFO L82 PathProgramCache]: Analyzing trace with hash 999975588, now seen corresponding path program 1 times [2018-11-10 11:52:54,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:54,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:54,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:54,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:54,558 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:54,654 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 11:52:54,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:54,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 11:52:54,654 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:54,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:52:54,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:52:54,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:52:54,655 INFO L87 Difference]: Start difference. First operand 159 states and 184 transitions. Second operand 7 states. [2018-11-10 11:52:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:54,931 INFO L93 Difference]: Finished difference Result 249 states and 296 transitions. [2018-11-10 11:52:54,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:52:54,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-10 11:52:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:54,932 INFO L225 Difference]: With dead ends: 249 [2018-11-10 11:52:54,932 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:52:54,933 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 11:52:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:52:54,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:52:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:52:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:52:54,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-10 11:52:54,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:54,934 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:52:54,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:52:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:52:54,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:52:54,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:52:55,355 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 301 308) the Hoare annotation is: true [2018-11-10 11:52:55,355 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2018-11-10 11:52:55,356 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2018-11-10 11:52:55,356 INFO L421 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,356 INFO L425 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-11-10 11:52:55,356 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 271) no Hoare annotation was computed. [2018-11-10 11:52:55,356 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2018-11-10 11:52:55,356 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,356 INFO L421 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,356 INFO L425 ceAbstractionStarter]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2018-11-10 11:52:55,356 INFO L421 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,357 INFO L421 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,357 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 266) no Hoare annotation was computed. [2018-11-10 11:52:55,357 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2018-11-10 11:52:55,357 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2018-11-10 11:52:55,357 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 242 248) no Hoare annotation was computed. [2018-11-10 11:52:55,357 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 242 248) the Hoare annotation is: true [2018-11-10 11:52:55,357 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2018-11-10 11:52:55,357 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2018-11-10 11:52:55,357 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2018-11-10 11:52:55,357 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 386 449) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,357 INFO L421 ceAbstractionStarter]: At program point L442(lines 395 443) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,357 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 386 449) no Hoare annotation was computed. [2018-11-10 11:52:55,358 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2018-11-10 11:52:55,358 INFO L421 ceAbstractionStarter]: At program point L432-2(lines 426 437) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 11:52:55,358 INFO L425 ceAbstractionStarter]: For program point L397(lines 396 441) no Hoare annotation was computed. [2018-11-10 11:52:55,358 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 437) no Hoare annotation was computed. [2018-11-10 11:52:55,358 INFO L421 ceAbstractionStarter]: At program point L418(line 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 11:52:55,358 INFO L425 ceAbstractionStarter]: For program point L416(lines 416 422) no Hoare annotation was computed. [2018-11-10 11:52:55,358 INFO L425 ceAbstractionStarter]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2018-11-10 11:52:55,358 INFO L421 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 11:52:55,358 INFO L421 ceAbstractionStarter]: At program point L439(lines 396 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 11:52:55,358 INFO L425 ceAbstractionStarter]: For program point L406(lines 406 412) no Hoare annotation was computed. [2018-11-10 11:52:55,358 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2018-11-10 11:52:55,359 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 402) no Hoare annotation was computed. [2018-11-10 11:52:55,359 INFO L425 ceAbstractionStarter]: For program point L396-1(lines 396 441) no Hoare annotation was computed. [2018-11-10 11:52:55,359 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 386 449) no Hoare annotation was computed. [2018-11-10 11:52:55,359 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,359 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2018-11-10 11:52:55,359 INFO L421 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,359 INFO L421 ceAbstractionStarter]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,359 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 540) no Hoare annotation was computed. [2018-11-10 11:52:55,359 INFO L425 ceAbstractionStarter]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2018-11-10 11:52:55,359 INFO L425 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2018-11-10 11:52:55,359 INFO L421 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,359 INFO L421 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,360 INFO L421 ceAbstractionStarter]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,360 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2018-11-10 11:52:55,360 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-10 11:52:55,360 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-10 11:52:55,360 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-10 11:52:55,360 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 320 328) no Hoare annotation was computed. [2018-11-10 11:52:55,360 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 320 328) the Hoare annotation is: true [2018-11-10 11:52:55,360 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 320 328) no Hoare annotation was computed. [2018-11-10 11:52:55,360 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:52:55,360 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 11:52:55,360 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:52:55,360 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 365 383) the Hoare annotation is: true [2018-11-10 11:52:55,361 INFO L425 ceAbstractionStarter]: For program point L374(lines 374 378) no Hoare annotation was computed. [2018-11-10 11:52:55,361 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 365 383) no Hoare annotation was computed. [2018-11-10 11:52:55,361 INFO L428 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: true [2018-11-10 11:52:55,361 INFO L425 ceAbstractionStarter]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2018-11-10 11:52:55,361 INFO L425 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2018-11-10 11:52:55,361 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 365 383) no Hoare annotation was computed. [2018-11-10 11:52:55,361 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-10 11:52:55,361 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,361 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-10 11:52:55,361 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-10 11:52:55,361 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-10 11:52:55,361 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-10 11:52:55,361 INFO L421 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,362 INFO L425 ceAbstractionStarter]: For program point L222(lines 221 240) no Hoare annotation was computed. [2018-11-10 11:52:55,362 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 218 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,362 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 218 241) no Hoare annotation was computed. [2018-11-10 11:52:55,362 INFO L421 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,362 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 218 241) no Hoare annotation was computed. [2018-11-10 11:52:55,362 INFO L421 ceAbstractionStarter]: At program point L229(lines 229 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,362 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 452 481) no Hoare annotation was computed. [2018-11-10 11:52:55,362 INFO L428 ceAbstractionStarter]: At program point L477(lines 452 481) the Hoare annotation is: true [2018-11-10 11:52:55,362 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 11:52:55,362 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-10 11:52:55,362 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 452 481) the Hoare annotation is: true [2018-11-10 11:52:55,362 INFO L425 ceAbstractionStarter]: For program point L466(lines 466 470) no Hoare annotation was computed. [2018-11-10 11:52:55,363 INFO L428 ceAbstractionStarter]: At program point L466-1(lines 466 470) the Hoare annotation is: true [2018-11-10 11:52:55,363 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 462 476) no Hoare annotation was computed. [2018-11-10 11:52:55,363 INFO L428 ceAbstractionStarter]: At program point L462-3(lines 462 476) the Hoare annotation is: true [2018-11-10 11:52:55,363 INFO L428 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2018-11-10 11:52:55,363 INFO L425 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-11-10 11:52:55,363 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-10 11:52:55,363 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-10 11:52:55,363 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-10 11:52:55,363 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2018-11-10 11:52:55,363 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2018-11-10 11:52:55,363 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:52:55,363 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 11:52:55,364 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:52:55,364 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:52:55,364 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 506 512) no Hoare annotation was computed. [2018-11-10 11:52:55,364 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 506 512) the Hoare annotation is: true [2018-11-10 11:52:55,364 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-10 11:52:55,364 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-10 11:52:55,364 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-11-10 11:52:55,364 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2018-11-10 11:52:55,364 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2018-11-10 11:52:55,364 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2018-11-10 11:52:55,364 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2018-11-10 11:52:55,364 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 513 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:52:55,365 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2018-11-10 11:52:55,365 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2018-11-10 11:52:55,365 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 11:52:55,365 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2018-11-10 11:52:55,365 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-11-10 11:52:55,365 INFO L421 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 11:52:55,365 INFO L425 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-10 11:52:55,365 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-11-10 11:52:55,365 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2018-11-10 11:52:55,365 INFO L425 ceAbstractionStarter]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2018-11-10 11:52:55,365 INFO L428 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-11-10 11:52:55,365 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-10 11:52:55,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:52:55 BoogieIcfgContainer [2018-11-10 11:52:55,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:52:55,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:52:55,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:52:55,381 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:52:55,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:53" (3/4) ... [2018-11-10 11:52:55,385 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:52:55,390 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 11:52:55,391 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 11:52:55,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 11:52:55,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 11:52:55,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 11:52:55,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 11:52:55,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 11:52:55,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 11:52:55,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 11:52:55,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 11:52:55,392 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 11:52:55,400 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 11:52:55,401 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 11:52:55,401 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 11:52:55,425 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-10 11:52:55,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 11:52:55,464 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3a2777dd-80d6-4fcf-81d7-5971cf3bfaa6/bin-2019/utaipan/witness.graphml [2018-11-10 11:52:55,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:52:55,465 INFO L168 Benchmark]: Toolchain (without parser) took 3371.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 960.2 MB in the beginning and 1.0 GB in the end (delta: -57.6 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:55,466 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:52:55,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.34 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:55,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 936.1 MB in the beginning and 1.2 GB in the end (delta: -226.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:55,466 INFO L168 Benchmark]: Boogie Preprocessor took 31.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:55,467 INFO L168 Benchmark]: RCFGBuilder took 731.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:55,467 INFO L168 Benchmark]: TraceAbstraction took 2072.56 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:55,467 INFO L168 Benchmark]: Witness Printer took 82.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:55,468 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.34 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 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 101.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 936.1 MB in the beginning and 1.2 GB in the end (delta: -226.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 731.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2072.56 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: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. * Witness Printer took 82.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 119 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 529 SDtfs, 252 SDslu, 829 SDs, 0 SdLazy, 299 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 223 PreInvPairs, 236 NumberOfFragments, 428 HoareAnnotationTreeSize, 223 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 705 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 27323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...