./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/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 eac2167e56762050a6cde7d8ccfbf36c5d226056 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:22:39,312 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:22:39,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:22:39,320 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:22:39,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:22:39,320 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:22:39,321 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:22:39,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:22:39,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:22:39,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:22:39,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:22:39,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:22:39,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:22:39,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:22:39,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:22:39,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:22:39,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:22:39,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:22:39,330 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:22:39,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:22:39,331 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:22:39,332 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:22:39,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:22:39,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:22:39,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:22:39,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:22:39,334 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:22:39,335 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:22:39,335 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:22:39,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:22:39,336 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:22:39,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:22:39,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:22:39,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:22:39,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:22:39,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:22:39,338 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:22:39,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:22:39,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:22:39,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:22:39,347 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:22:39,348 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:22:39,348 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:22:39,348 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:22:39,348 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:22:39,348 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:22:39,348 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:22:39,348 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:22:39,349 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:22:39,349 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:22:39,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:22:39,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:22:39,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:22:39,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:22:39,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:22:39,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:22:39,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:22:39,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:22:39,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:22:39,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:22:39,351 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:22:39,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:22:39,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:22:39,351 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:22:39,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:22:39,351 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:22:39,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:22:39,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:22:39,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:22:39,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:22:39,352 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:22:39,352 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:22:39,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:22:39,352 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:22:39,353 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_69b0f698-b962-4014-8a86-9ff3deea7390/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 -> eac2167e56762050a6cde7d8ccfbf36c5d226056 [2018-11-18 13:22:39,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:22:39,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:22:39,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:22:39,390 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:22:39,390 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:22:39,391 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2018-11-18 13:22:39,432 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/data/a2417c6b0/ca73ae9a573f46bc860b42893623bfa0/FLAG011c37ba7 [2018-11-18 13:22:39,881 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:22:39,881 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/sv-benchmarks/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2018-11-18 13:22:39,890 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/data/a2417c6b0/ca73ae9a573f46bc860b42893623bfa0/FLAG011c37ba7 [2018-11-18 13:22:39,901 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/data/a2417c6b0/ca73ae9a573f46bc860b42893623bfa0 [2018-11-18 13:22:39,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:22:39,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:22:39,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:22:39,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:22:39,907 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:22:39,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:22:39" (1/1) ... [2018-11-18 13:22:39,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:39, skipping insertion in model container [2018-11-18 13:22:39,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:22:39" (1/1) ... [2018-11-18 13:22:39,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:22:39,949 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:22:40,144 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:22:40,153 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:22:40,251 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:22:40,268 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:22:40,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40 WrapperNode [2018-11-18 13:22:40,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:22:40,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:22:40,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:22:40,269 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:22:40,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:22:40,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:22:40,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:22:40,289 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:22:40,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:22:40,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:22:40,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:22:40,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:22:40,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/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 [2018-11-18 13:22:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:22:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:22:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:22:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:22:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 13:22:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 13:22:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:22:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:22:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:22:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:22:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:22:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:22:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:22:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:22:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:22:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:22:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:22:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:22:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:22:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:22:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:22:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:22:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:22:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:22:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:22:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:22:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:22:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:22:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:22:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:22:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:22:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:22:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:22:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:22:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:22:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 13:22:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 13:22:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:22:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:22:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:22:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:22:40,764 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:22:40,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:22:40 BoogieIcfgContainer [2018-11-18 13:22:40,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:22:40,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:22:40,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:22:40,767 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:22:40,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:22:39" (1/3) ... [2018-11-18 13:22:40,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b5cee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:22:40, skipping insertion in model container [2018-11-18 13:22:40,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (2/3) ... [2018-11-18 13:22:40,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b5cee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:22:40, skipping insertion in model container [2018-11-18 13:22:40,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:22:40" (3/3) ... [2018-11-18 13:22:40,770 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2018-11-18 13:22:40,776 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:22:40,781 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:22:40,790 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:22:40,812 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:22:40,812 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:22:40,812 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:22:40,812 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:22:40,812 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:22:40,813 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:22:40,813 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:22:40,813 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:22:40,824 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2018-11-18 13:22:40,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:22:40,829 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:22:40,830 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] [2018-11-18 13:22:40,832 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:22:40,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:40,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1313883981, now seen corresponding path program 1 times [2018-11-18 13:22:40,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:22:40,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:40,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:40,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:40,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:22:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:41,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:22:41,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:22:41,046 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:22:41,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:22:41,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:22:41,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:22:41,065 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 2 states. [2018-11-18 13:22:41,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:22:41,087 INFO L93 Difference]: Finished difference Result 174 states and 217 transitions. [2018-11-18 13:22:41,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:22:41,088 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 13:22:41,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:22:41,095 INFO L225 Difference]: With dead ends: 174 [2018-11-18 13:22:41,095 INFO L226 Difference]: Without dead ends: 87 [2018-11-18 13:22:41,098 INFO L604 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 [2018-11-18 13:22:41,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-18 13:22:41,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-18 13:22:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-18 13:22:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2018-11-18 13:22:41,127 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 46 [2018-11-18 13:22:41,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:22:41,128 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2018-11-18 13:22:41,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:22:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2018-11-18 13:22:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:22:41,130 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:22:41,130 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] [2018-11-18 13:22:41,130 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:22:41,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:41,131 INFO L82 PathProgramCache]: Analyzing trace with hash 3050836, now seen corresponding path program 1 times [2018-11-18 13:22:41,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:22:41,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:41,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:22:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:41,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:22:41,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:22:41,228 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:22:41,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:22:41,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:22:41,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:22:41,230 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 3 states. [2018-11-18 13:22:41,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:22:41,247 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2018-11-18 13:22:41,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:22:41,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 13:22:41,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:22:41,249 INFO L225 Difference]: With dead ends: 117 [2018-11-18 13:22:41,249 INFO L226 Difference]: Without dead ends: 77 [2018-11-18 13:22:41,251 INFO L604 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 [2018-11-18 13:22:41,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-18 13:22:41,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-11-18 13:22:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-18 13:22:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-11-18 13:22:41,262 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 48 [2018-11-18 13:22:41,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:22:41,262 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-11-18 13:22:41,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:22:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-11-18 13:22:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:22:41,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:22:41,265 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] [2018-11-18 13:22:41,265 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:22:41,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:41,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1448212664, now seen corresponding path program 1 times [2018-11-18 13:22:41,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:22:41,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:41,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:22:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:41,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:22:41,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:22:41,415 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:22:41,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:22:41,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:22:41,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:22:41,416 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 7 states. [2018-11-18 13:22:41,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:22:41,726 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2018-11-18 13:22:41,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:22:41,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 13:22:41,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:22:41,727 INFO L225 Difference]: With dead ends: 130 [2018-11-18 13:22:41,728 INFO L226 Difference]: Without dead ends: 77 [2018-11-18 13:22:41,728 INFO L604 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 [2018-11-18 13:22:41,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-18 13:22:41,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-11-18 13:22:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-18 13:22:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2018-11-18 13:22:41,737 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 53 [2018-11-18 13:22:41,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:22:41,738 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2018-11-18 13:22:41,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:22:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2018-11-18 13:22:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 13:22:41,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:22:41,740 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] [2018-11-18 13:22:41,740 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:22:41,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:41,740 INFO L82 PathProgramCache]: Analyzing trace with hash 779606240, now seen corresponding path program 1 times [2018-11-18 13:22:41,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:22:41,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:41,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:22:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:41,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:22:41,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 13:22:41,887 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:22:41,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:22:41,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:22:41,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:22:41,888 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand 10 states. [2018-11-18 13:22:42,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:22:42,544 INFO L93 Difference]: Finished difference Result 216 states and 265 transitions. [2018-11-18 13:22:42,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:22:42,546 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-11-18 13:22:42,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:22:42,550 INFO L225 Difference]: With dead ends: 216 [2018-11-18 13:22:42,550 INFO L226 Difference]: Without dead ends: 163 [2018-11-18 13:22:42,552 INFO L604 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 [2018-11-18 13:22:42,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-18 13:22:42,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 159. [2018-11-18 13:22:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-18 13:22:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2018-11-18 13:22:42,575 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 56 [2018-11-18 13:22:42,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:22:42,576 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2018-11-18 13:22:42,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:22:42,577 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2018-11-18 13:22:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 13:22:42,578 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:22:42,579 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] [2018-11-18 13:22:42,584 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:22:42,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:42,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1789123750, now seen corresponding path program 1 times [2018-11-18 13:22:42,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:22:42,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:42,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:42,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:42,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:22:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:42,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:22:42,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:22:42,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:22:42,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:22:42,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:22:42,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:22:42,669 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand 3 states. [2018-11-18 13:22:42,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:22:42,682 INFO L93 Difference]: Finished difference Result 246 states and 290 transitions. [2018-11-18 13:22:42,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:22:42,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-18 13:22:42,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:22:42,685 INFO L225 Difference]: With dead ends: 246 [2018-11-18 13:22:42,685 INFO L226 Difference]: Without dead ends: 149 [2018-11-18 13:22:42,686 INFO L604 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 [2018-11-18 13:22:42,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-18 13:22:42,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-18 13:22:42,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 13:22:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2018-11-18 13:22:42,702 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 60 [2018-11-18 13:22:42,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:22:42,702 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2018-11-18 13:22:42,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:22:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2018-11-18 13:22:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 13:22:42,706 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:22:42,706 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:22:42,706 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:22:42,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:42,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1945631403, now seen corresponding path program 1 times [2018-11-18 13:22:42,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:22:42,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:42,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:42,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:42,708 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:22:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:22:42,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:22:42,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:22:42,829 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:22:42,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:22:42,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:22:42,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:22:42,831 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 6 states. [2018-11-18 13:22:42,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:22:42,967 INFO L93 Difference]: Finished difference Result 151 states and 169 transitions. [2018-11-18 13:22:42,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:22:42,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-11-18 13:22:42,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:22:42,969 INFO L225 Difference]: With dead ends: 151 [2018-11-18 13:22:42,969 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:22:42,970 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:22:42,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:22:42,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:22:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:22:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:22:42,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2018-11-18 13:22:42,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:22:42,971 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:22:42,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:22:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:22:42,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:22:42,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:22:43,413 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 587) no Hoare annotation was computed. [2018-11-18 13:22:43,413 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 581 587) the Hoare annotation is: true [2018-11-18 13:22:43,414 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2018-11-18 13:22:43,414 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2018-11-18 13:22:43,414 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2018-11-18 13:22:43,414 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2018-11-18 13:22:43,414 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2018-11-18 13:22:43,414 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 687 752) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,414 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2018-11-18 13:22:43,414 INFO L421 ceAbstractionStarter]: At program point L735-2(lines 727 740) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,414 INFO L425 ceAbstractionStarter]: For program point L698(lines 697 744) no Hoare annotation was computed. [2018-11-18 13:22:43,415 INFO L421 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,415 INFO L425 ceAbstractionStarter]: For program point L727(lines 727 740) no Hoare annotation was computed. [2018-11-18 13:22:43,415 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 687 752) no Hoare annotation was computed. [2018-11-18 13:22:43,415 INFO L421 ceAbstractionStarter]: At program point L719(line 719) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,415 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2018-11-18 13:22:43,415 INFO L425 ceAbstractionStarter]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2018-11-18 13:22:43,415 INFO L421 ceAbstractionStarter]: At program point L742(lines 697 744) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,415 INFO L421 ceAbstractionStarter]: At program point L709(line 709) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,415 INFO L425 ceAbstractionStarter]: For program point L707(lines 707 713) no Hoare annotation was computed. [2018-11-18 13:22:43,416 INFO L425 ceAbstractionStarter]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2018-11-18 13:22:43,416 INFO L425 ceAbstractionStarter]: For program point L699(lines 699 703) no Hoare annotation was computed. [2018-11-18 13:22:43,416 INFO L425 ceAbstractionStarter]: For program point L697-1(lines 697 744) no Hoare annotation was computed. [2018-11-18 13:22:43,416 INFO L421 ceAbstractionStarter]: At program point L745(lines 696 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,416 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 687 752) no Hoare annotation was computed. [2018-11-18 13:22:43,416 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-18 13:22:43,416 INFO L421 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 13:22:43,416 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-18 13:22:43,416 INFO L421 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2018-11-18 13:22:43,416 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-18 13:22:43,416 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-18 13:22:43,417 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-18 13:22:43,417 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-18 13:22:43,417 INFO L428 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-18 13:22:43,417 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-18 13:22:43,417 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 524 546) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,417 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 524 546) no Hoare annotation was computed. [2018-11-18 13:22:43,417 INFO L421 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,417 INFO L421 ceAbstractionStarter]: At program point L536-1(line 536) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,417 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 541) no Hoare annotation was computed. [2018-11-18 13:22:43,417 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 534 541) no Hoare annotation was computed. [2018-11-18 13:22:43,418 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 13:22:43,418 INFO L421 ceAbstractionStarter]: At program point L531(line 531) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,418 INFO L421 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,418 INFO L421 ceAbstractionStarter]: At program point L530-1(line 530) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,418 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 524 546) no Hoare annotation was computed. [2018-11-18 13:22:43,418 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-11-18 13:22:43,418 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-11-18 13:22:43,418 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-11-18 13:22:43,418 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:22:43,418 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:22:43,419 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:22:43,419 INFO L425 ceAbstractionStarter]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2018-11-18 13:22:43,419 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 780 791) the Hoare annotation is: true [2018-11-18 13:22:43,419 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 780 791) no Hoare annotation was computed. [2018-11-18 13:22:43,419 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 824 832) the Hoare annotation is: true [2018-11-18 13:22:43,419 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 824 832) no Hoare annotation was computed. [2018-11-18 13:22:43,419 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 824 832) no Hoare annotation was computed. [2018-11-18 13:22:43,419 INFO L421 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 13:22:43,419 INFO L421 ceAbstractionStarter]: At program point L568(lines 568 574) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 13:22:43,420 INFO L421 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 13:22:43,420 INFO L425 ceAbstractionStarter]: For program point L561(lines 560 579) no Hoare annotation was computed. [2018-11-18 13:22:43,420 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 557 580) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 13:22:43,420 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 557 580) no Hoare annotation was computed. [2018-11-18 13:22:43,420 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 557 580) no Hoare annotation was computed. [2018-11-18 13:22:43,420 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2018-11-18 13:22:43,420 INFO L428 ceAbstractionStarter]: At program point L471(lines 446 475) the Hoare annotation is: true [2018-11-18 13:22:43,420 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 13:22:43,420 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 13:22:43,421 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2018-11-18 13:22:43,421 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2018-11-18 13:22:43,421 INFO L428 ceAbstractionStarter]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2018-11-18 13:22:43,421 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 456 470) no Hoare annotation was computed. [2018-11-18 13:22:43,421 INFO L428 ceAbstractionStarter]: At program point L456-3(lines 456 470) the Hoare annotation is: true [2018-11-18 13:22:43,421 INFO L428 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-18 13:22:43,421 INFO L425 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2018-11-18 13:22:43,421 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 756 767) the Hoare annotation is: true [2018-11-18 13:22:43,421 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 756 767) no Hoare annotation was computed. [2018-11-18 13:22:43,421 INFO L425 ceAbstractionStarter]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2018-11-18 13:22:43,422 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2018-11-18 13:22:43,422 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2018-11-18 13:22:43,422 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2018-11-18 13:22:43,422 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2018-11-18 13:22:43,422 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:22:43,422 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 13:22:43,422 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:22:43,422 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:22:43,422 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-18 13:22:43,422 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 678 685) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1)) [2018-11-18 13:22:43,423 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-18 13:22:43,423 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 768 779) no Hoare annotation was computed. [2018-11-18 13:22:43,423 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 768 779) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,423 INFO L425 ceAbstractionStarter]: For program point L772-1(lines 768 779) no Hoare annotation was computed. [2018-11-18 13:22:43,423 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2018-11-18 13:22:43,423 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2018-11-18 13:22:43,423 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-11-18 13:22:43,423 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2018-11-18 13:22:43,423 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:22:43,424 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2018-11-18 13:22:43,424 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2018-11-18 13:22:43,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:22:43 BoogieIcfgContainer [2018-11-18 13:22:43,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:22:43,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:22:43,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:22:43,435 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:22:43,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:22:40" (3/4) ... [2018-11-18 13:22:43,439 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:22:43,446 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:22:43,446 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:22:43,446 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:22:43,446 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:22:43,446 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 13:22:43,446 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:22:43,446 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:22:43,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:22:43,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:22:43,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:22:43,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:22:43,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:22:43,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:22:43,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:22:43,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:22:43,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 13:22:43,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:22:43,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:22:43,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:22:43,454 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 13:22:43,454 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:22:43,455 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:22:43,477 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 13:22:43,477 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 13:22:43,508 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_69b0f698-b962-4014-8a86-9ff3deea7390/bin-2019/utaipan/witness.graphml [2018-11-18 13:22:43,509 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:22:43,509 INFO L168 Benchmark]: Toolchain (without parser) took 3605.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.6 MB in the beginning and 979.4 MB in the end (delta: -22.8 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:43,511 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. [2018-11-18 13:22:43,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:43,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:43,511 INFO L168 Benchmark]: Boogie Preprocessor took 22.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:22:43,512 INFO L168 Benchmark]: RCFGBuilder took 453.13 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:43,512 INFO L168 Benchmark]: TraceAbstraction took 2669.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.3 MB in the end (delta: 78.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:43,512 INFO L168 Benchmark]: Witness Printer took 74.35 ms. Allocated memory is still 1.2 GB. Free memory was 986.3 MB in the beginning and 979.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:43,514 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 364.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 453.13 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2669.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.3 MB in the end (delta: 78.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. * Witness Printer took 74.35 ms. Allocated memory is still 1.2 GB. Free memory was 986.3 MB in the beginning and 979.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 696]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 100 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 528 SDtfs, 313 SDslu, 1004 SDs, 0 SdLazy, 334 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 174 PreInvPairs, 195 NumberOfFragments, 465 HoareAnnotationTreeSize, 174 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 714 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 43078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...