./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product09_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_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/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 51c3bbda42df3e7a563a36af727e140b310abe72 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:57:59,035 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:57:59,036 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:57:59,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:57:59,044 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:57:59,044 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:57:59,045 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:57:59,046 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:57:59,047 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:57:59,048 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:57:59,049 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:57:59,049 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:57:59,050 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:57:59,050 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:57:59,051 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:57:59,052 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:57:59,053 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:57:59,054 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:57:59,055 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:57:59,057 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:57:59,058 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:57:59,058 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:57:59,060 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:57:59,060 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:57:59,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:57:59,061 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:57:59,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:57:59,063 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:57:59,063 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:57:59,064 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:57:59,064 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:57:59,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:57:59,066 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:57:59,066 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:57:59,066 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:57:59,067 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:57:59,067 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:57:59,078 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:57:59,078 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:57:59,078 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:57:59,079 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:57:59,079 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:57:59,079 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:57:59,079 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:57:59,079 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:57:59,079 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:57:59,079 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:57:59,079 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:57:59,080 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:57:59,080 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:57:59,080 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:57:59,081 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:57:59,081 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:57:59,082 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:57:59,082 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:57:59,082 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:57:59,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:57:59,082 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:57:59,082 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:57:59,082 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:57:59,082 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:57:59,082 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:57:59,083 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:57:59,083 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:57:59,083 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:57:59,083 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:57:59,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:57:59,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:57:59,083 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:57:59,083 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:57:59,083 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:57:59,083 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:57:59,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:57:59,084 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:57:59,084 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_a75a9ca5-7154-4891-95c1-07eeb146b5d9/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 -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2018-11-18 11:57:59,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:57:59,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:57:59,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:57:59,116 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:57:59,116 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:57:59,117 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product09_true-unreach-call_false-termination.cil.c [2018-11-18 11:57:59,151 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/data/969f6d73e/66093b55acb34f2fad2ad52fbf88285d/FLAG396c9eacd [2018-11-18 11:57:59,518 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:57:59,518 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/sv-benchmarks/c/product-lines/minepump_spec4_product09_true-unreach-call_false-termination.cil.c [2018-11-18 11:57:59,528 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/data/969f6d73e/66093b55acb34f2fad2ad52fbf88285d/FLAG396c9eacd [2018-11-18 11:57:59,911 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/data/969f6d73e/66093b55acb34f2fad2ad52fbf88285d [2018-11-18 11:57:59,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:57:59,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:57:59,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:57:59,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:57:59,917 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:57:59,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:59" (1/1) ... [2018-11-18 11:57:59,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:59, skipping insertion in model container [2018-11-18 11:57:59,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:59" (1/1) ... [2018-11-18 11:57:59,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:57:59,954 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:58:00,123 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:58:00,131 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:58:00,235 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:58:00,253 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:58:00,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00 WrapperNode [2018-11-18 11:58:00,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:58:00,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:58:00,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:58:00,254 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:58:00,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... [2018-11-18 11:58:00,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... [2018-11-18 11:58:00,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:58:00,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:58:00,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:58:00,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:58:00,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... [2018-11-18 11:58:00,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... [2018-11-18 11:58:00,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... [2018-11-18 11:58:00,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... [2018-11-18 11:58:00,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... [2018-11-18 11:58:00,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... [2018-11-18 11:58:00,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... [2018-11-18 11:58:00,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:58:00,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:58:00,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:58:00,298 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:58:00,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/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 11:58:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:58:00,332 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:58:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:58:00,332 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:58:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:58:00,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:58:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:58:00,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:58:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:58:00,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:58:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:58:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:58:00,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:58:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:58:00,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:58:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:58:00,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:58:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:58:00,334 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:58:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:58:00,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:58:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:58:00,334 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:58:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:58:00,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:58:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:58:00,335 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:58:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:58:00,335 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:58:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:58:00,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:58:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:58:00,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:58:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:58:00,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:58:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:58:00,335 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:58:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:58:00,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:58:00,779 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:58:00,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:00 BoogieIcfgContainer [2018-11-18 11:58:00,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:58:00,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:58:00,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:58:00,782 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:58:00,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:57:59" (1/3) ... [2018-11-18 11:58:00,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec25458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:58:00, skipping insertion in model container [2018-11-18 11:58:00,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:00" (2/3) ... [2018-11-18 11:58:00,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec25458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:58:00, skipping insertion in model container [2018-11-18 11:58:00,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:00" (3/3) ... [2018-11-18 11:58:00,784 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09_true-unreach-call_false-termination.cil.c [2018-11-18 11:58:00,792 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:58:00,798 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:58:00,811 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:58:00,832 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:58:00,832 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:58:00,832 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:58:00,832 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:58:00,833 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:58:00,833 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:58:00,833 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:58:00,833 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:58:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-11-18 11:58:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:58:00,850 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:00,850 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 11:58:00,852 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:00,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:00,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1460344639, now seen corresponding path program 1 times [2018-11-18 11:58:00,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:00,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:00,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:00,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:00,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:01,063 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 11:58:01,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:58:01,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:58:01,065 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:58:01,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:58:01,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:58:01,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:58:01,078 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2018-11-18 11:58:01,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:01,101 INFO L93 Difference]: Finished difference Result 166 states and 209 transitions. [2018-11-18 11:58:01,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:58:01,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 11:58:01,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:01,108 INFO L225 Difference]: With dead ends: 166 [2018-11-18 11:58:01,109 INFO L226 Difference]: Without dead ends: 83 [2018-11-18 11:58:01,111 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 11:58:01,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-18 11:58:01,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-11-18 11:58:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 11:58:01,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2018-11-18 11:58:01,139 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 46 [2018-11-18 11:58:01,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:01,139 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2018-11-18 11:58:01,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:58:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2018-11-18 11:58:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:58:01,141 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:01,141 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 11:58:01,141 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:01,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:01,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1957762149, now seen corresponding path program 1 times [2018-11-18 11:58:01,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:01,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:01,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:01,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:01,143 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:01,224 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 11:58:01,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:58:01,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:58:01,224 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:58:01,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:58:01,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:58:01,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:58:01,226 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 3 states. [2018-11-18 11:58:01,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:01,239 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2018-11-18 11:58:01,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:58:01,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 11:58:01,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:01,241 INFO L225 Difference]: With dead ends: 113 [2018-11-18 11:58:01,241 INFO L226 Difference]: Without dead ends: 73 [2018-11-18 11:58:01,242 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 11:58:01,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-18 11:58:01,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-18 11:58:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-18 11:58:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2018-11-18 11:58:01,249 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 48 [2018-11-18 11:58:01,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:01,249 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2018-11-18 11:58:01,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:58:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2018-11-18 11:58:01,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:58:01,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:01,250 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] [2018-11-18 11:58:01,250 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:01,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:01,250 INFO L82 PathProgramCache]: Analyzing trace with hash 691913467, now seen corresponding path program 1 times [2018-11-18 11:58:01,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:01,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:01,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:01,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:01,252 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:01,349 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 11:58:01,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:58:01,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:58:01,349 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:58:01,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:58:01,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:58:01,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:58:01,350 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand 7 states. [2018-11-18 11:58:01,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:01,581 INFO L93 Difference]: Finished difference Result 122 states and 143 transitions. [2018-11-18 11:58:01,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:58:01,581 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 11:58:01,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:01,582 INFO L225 Difference]: With dead ends: 122 [2018-11-18 11:58:01,582 INFO L226 Difference]: Without dead ends: 73 [2018-11-18 11:58:01,583 INFO L604 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 [2018-11-18 11:58:01,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-18 11:58:01,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-18 11:58:01,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-18 11:58:01,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2018-11-18 11:58:01,590 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 52 [2018-11-18 11:58:01,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:01,590 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2018-11-18 11:58:01,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:58:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-11-18 11:58:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 11:58:01,591 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:01,592 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] [2018-11-18 11:58:01,592 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:01,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:01,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1389920831, now seen corresponding path program 1 times [2018-11-18 11:58:01,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:01,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:01,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:01,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:01,594 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:01,714 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 11:58:01,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:58:01,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 11:58:01,714 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:58:01,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:58:01,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:58:01,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:58:01,715 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 10 states. [2018-11-18 11:58:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:02,054 INFO L93 Difference]: Finished difference Result 200 states and 249 transitions. [2018-11-18 11:58:02,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:58:02,057 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2018-11-18 11:58:02,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:02,060 INFO L225 Difference]: With dead ends: 200 [2018-11-18 11:58:02,060 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 11:58:02,061 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 11:58:02,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 11:58:02,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2018-11-18 11:58:02,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-18 11:58:02,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2018-11-18 11:58:02,079 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 55 [2018-11-18 11:58:02,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:02,079 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2018-11-18 11:58:02,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:58:02,079 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2018-11-18 11:58:02,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 11:58:02,081 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:02,081 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] [2018-11-18 11:58:02,081 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:02,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:02,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1780764665, now seen corresponding path program 1 times [2018-11-18 11:58:02,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:02,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:02,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:02,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:02,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:02,151 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 11:58:02,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:58:02,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:58:02,152 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:58:02,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:58:02,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:58:02,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:58:02,153 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 3 states. [2018-11-18 11:58:02,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:02,163 INFO L93 Difference]: Finished difference Result 226 states and 270 transitions. [2018-11-18 11:58:02,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:58:02,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-18 11:58:02,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:02,165 INFO L225 Difference]: With dead ends: 226 [2018-11-18 11:58:02,165 INFO L226 Difference]: Without dead ends: 137 [2018-11-18 11:58:02,166 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 11:58:02,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-18 11:58:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-18 11:58:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-18 11:58:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 155 transitions. [2018-11-18 11:58:02,178 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 155 transitions. Word has length 59 [2018-11-18 11:58:02,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:02,178 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 155 transitions. [2018-11-18 11:58:02,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:58:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 155 transitions. [2018-11-18 11:58:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:58:02,180 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:02,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:02,181 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:02,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:02,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1651878918, now seen corresponding path program 1 times [2018-11-18 11:58:02,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:02,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:02,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:02,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:02,182 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 11:58:02,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:58:02,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:58:02,285 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:58:02,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:58:02,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:58:02,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:58:02,286 INFO L87 Difference]: Start difference. First operand 137 states and 155 transitions. Second operand 6 states. [2018-11-18 11:58:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:02,431 INFO L93 Difference]: Finished difference Result 139 states and 157 transitions. [2018-11-18 11:58:02,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:58:02,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 11:58:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:02,432 INFO L225 Difference]: With dead ends: 139 [2018-11-18 11:58:02,433 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:58:02,433 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 11:58:02,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:58:02,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:58:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:58:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:58:02,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-18 11:58:02,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:02,434 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:58:02,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:58:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:58:02,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:58:02,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:58:02,904 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 625 631) no Hoare annotation was computed. [2018-11-18 11:58:02,904 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 625 631) the Hoare annotation is: true [2018-11-18 11:58:02,904 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 744 750) the Hoare annotation is: true [2018-11-18 11:58:02,904 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 744 750) no Hoare annotation was computed. [2018-11-18 11:58:02,904 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 751 759) no Hoare annotation was computed. [2018-11-18 11:58:02,905 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 751 759) the Hoare annotation is: true [2018-11-18 11:58:02,905 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 751 759) no Hoare annotation was computed. [2018-11-18 11:58:02,905 INFO L425 ceAbstractionStarter]: For program point L576(lines 576 580) no Hoare annotation was computed. [2018-11-18 11:58:02,905 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 530 593) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,905 INFO L421 ceAbstractionStarter]: At program point L576-2(lines 570 581) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,905 INFO L425 ceAbstractionStarter]: For program point L541(lines 540 585) no Hoare annotation was computed. [2018-11-18 11:58:02,905 INFO L425 ceAbstractionStarter]: For program point L570(lines 570 581) no Hoare annotation was computed. [2018-11-18 11:58:02,905 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 530 593) no Hoare annotation was computed. [2018-11-18 11:58:02,905 INFO L421 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,905 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-18 11:58:02,905 INFO L425 ceAbstractionStarter]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2018-11-18 11:58:02,906 INFO L421 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,906 INFO L421 ceAbstractionStarter]: At program point L583(lines 540 585) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,906 INFO L425 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-11-18 11:58:02,906 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-11-18 11:58:02,906 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 546) no Hoare annotation was computed. [2018-11-18 11:58:02,906 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 540 585) no Hoare annotation was computed. [2018-11-18 11:58:02,906 INFO L421 ceAbstractionStarter]: At program point L586(lines 539 587) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,906 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 530 593) no Hoare annotation was computed. [2018-11-18 11:58:02,906 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2018-11-18 11:58:02,906 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2018-11-18 11:58:02,906 INFO L421 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 11:58:02,906 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-11-18 11:58:02,907 INFO L421 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2018-11-18 11:58:02,907 INFO L425 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-11-18 11:58:02,907 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-11-18 11:58:02,907 INFO L425 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2018-11-18 11:58:02,907 INFO L428 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-18 11:58:02,907 INFO L425 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-18 11:58:02,907 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 833 855) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,907 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 833 855) no Hoare annotation was computed. [2018-11-18 11:58:02,907 INFO L421 ceAbstractionStarter]: At program point L845(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,907 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 833 855) no Hoare annotation was computed. [2018-11-18 11:58:02,907 INFO L421 ceAbstractionStarter]: At program point L845-1(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,907 INFO L425 ceAbstractionStarter]: For program point L843(lines 843 850) no Hoare annotation was computed. [2018-11-18 11:58:02,908 INFO L425 ceAbstractionStarter]: For program point L843-1(lines 843 850) no Hoare annotation was computed. [2018-11-18 11:58:02,908 INFO L425 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-11-18 11:58:02,908 INFO L421 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,908 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,908 INFO L421 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,908 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 677 685) no Hoare annotation was computed. [2018-11-18 11:58:02,908 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 677 685) the Hoare annotation is: true [2018-11-18 11:58:02,908 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 677 685) no Hoare annotation was computed. [2018-11-18 11:58:02,908 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:58:02,908 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:58:02,908 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:58:02,908 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2018-11-18 11:58:02,908 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 474 485) the Hoare annotation is: true [2018-11-18 11:58:02,909 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 474 485) no Hoare annotation was computed. [2018-11-18 11:58:02,909 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 518 526) the Hoare annotation is: true [2018-11-18 11:58:02,909 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 518 526) no Hoare annotation was computed. [2018-11-18 11:58:02,909 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 518 526) no Hoare annotation was computed. [2018-11-18 11:58:02,909 INFO L428 ceAbstractionStarter]: At program point L772-3(lines 772 786) the Hoare annotation is: true [2018-11-18 11:58:02,909 INFO L428 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2018-11-18 11:58:02,909 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 762 791) no Hoare annotation was computed. [2018-11-18 11:58:02,909 INFO L425 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2018-11-18 11:58:02,909 INFO L428 ceAbstractionStarter]: At program point L787(lines 762 791) the Hoare annotation is: true [2018-11-18 11:58:02,909 INFO L425 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-11-18 11:58:02,909 INFO L425 ceAbstractionStarter]: For program point L773(line 773) no Hoare annotation was computed. [2018-11-18 11:58:02,909 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 762 791) the Hoare annotation is: true [2018-11-18 11:58:02,909 INFO L425 ceAbstractionStarter]: For program point L776(lines 776 780) no Hoare annotation was computed. [2018-11-18 11:58:02,909 INFO L428 ceAbstractionStarter]: At program point L776-1(lines 776 780) the Hoare annotation is: true [2018-11-18 11:58:02,910 INFO L425 ceAbstractionStarter]: For program point L772-1(lines 772 786) no Hoare annotation was computed. [2018-11-18 11:58:02,910 INFO L421 ceAbstractionStarter]: At program point L607(line 607) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 11:58:02,910 INFO L425 ceAbstractionStarter]: For program point L605(lines 604 623) no Hoare annotation was computed. [2018-11-18 11:58:02,910 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 601 624) 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 11:58:02,910 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 601 624) no Hoare annotation was computed. [2018-11-18 11:58:02,910 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 601 624) no Hoare annotation was computed. [2018-11-18 11:58:02,910 INFO L421 ceAbstractionStarter]: At program point L614(line 614) 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 11:58:02,910 INFO L421 ceAbstractionStarter]: At program point L612(lines 612 618) 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 11:58:02,910 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 450 461) the Hoare annotation is: true [2018-11-18 11:58:02,911 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 450 461) no Hoare annotation was computed. [2018-11-18 11:58:02,911 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2018-11-18 11:58:02,911 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 737 743) no Hoare annotation was computed. [2018-11-18 11:58:02,911 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 737 743) the Hoare annotation is: true [2018-11-18 11:58:02,911 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 816 822) no Hoare annotation was computed. [2018-11-18 11:58:02,911 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 816 822) the Hoare annotation is: true [2018-11-18 11:58:02,911 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:58:02,911 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 11:58:02,911 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:58:02,911 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:58:02,911 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2018-11-18 11:58:02,911 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 462 473) no Hoare annotation was computed. [2018-11-18 11:58:02,912 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 462 473) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,912 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-11-18 11:58:02,912 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-11-18 11:58:02,912 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-11-18 11:58:02,912 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-11-18 11:58:02,912 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 823 832) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:58:02,912 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 823 832) no Hoare annotation was computed. [2018-11-18 11:58:02,912 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 823 832) no Hoare annotation was computed. [2018-11-18 11:58:02,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:58:02 BoogieIcfgContainer [2018-11-18 11:58:02,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:58:02,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:58:02,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:58:02,930 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:58:02,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:00" (3/4) ... [2018-11-18 11:58:02,933 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:58:02,937 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:58:02,937 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:58:02,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:58:02,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:58:02,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:58:02,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:58:02,944 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 11:58:02,944 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:58:02,945 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:58:02,964 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 11:58:02,964 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 11:58:02,995 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a75a9ca5-7154-4891-95c1-07eeb146b5d9/bin-2019/utaipan/witness.graphml [2018-11-18 11:58:02,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:58:02,995 INFO L168 Benchmark]: Toolchain (without parser) took 3081.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 956.5 MB in the beginning and 996.3 MB in the end (delta: -39.8 MB). Peak memory consumption was 86.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:02,996 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:58:02,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:02,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.60 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 11:58:02,997 INFO L168 Benchmark]: Boogie Preprocessor took 22.73 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 11:58:02,997 INFO L168 Benchmark]: RCFGBuilder took 481.47 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:02,997 INFO L168 Benchmark]: TraceAbstraction took 2150.02 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: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:02,998 INFO L168 Benchmark]: Witness Printer took 64.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 996.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:02,999 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.73 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. * RCFGBuilder took 481.47 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2150.02 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: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * Witness Printer took 64.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 996.3 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: 410]: 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: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 96 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 502 SDtfs, 261 SDslu, 952 SDs, 0 SdLazy, 315 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred 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, 40 LocationsWithAnnotation, 165 PreInvPairs, 183 NumberOfFragments, 387 HoareAnnotationTreeSize, 165 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 41184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...