./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/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 d2adcf2b9b8b03691138caa579df024fc7b4a734 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:38:28,965 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:38:28,966 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:38:28,972 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:38:28,972 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:38:28,973 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:38:28,974 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:38:28,975 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:38:28,975 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:38:28,976 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:38:28,976 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:38:28,976 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:38:28,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:38:28,977 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:38:28,978 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:38:28,978 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:38:28,979 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:38:28,980 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:38:28,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:38:28,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:38:28,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:38:28,982 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:38:28,984 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:38:28,984 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:38:28,984 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:38:28,984 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:38:28,985 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:38:28,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:38:28,986 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:38:28,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:38:28,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:38:28,987 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:38:28,987 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:38:28,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:38:28,987 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:38:28,988 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:38:28,988 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:38:28,995 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:38:28,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:38:28,996 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:38:28,996 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:38:28,996 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:38:28,996 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:38:28,997 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:38:28,997 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:38:28,997 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:38:28,997 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:38:28,997 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:38:28,997 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:38:28,997 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:38:28,997 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:38:28,998 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:38:28,998 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:38:28,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:38:28,999 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:38:29,000 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_d2432ede-e085-47a5-b292-59d1c786f481/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 -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2018-12-08 16:38:29,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:38:29,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:38:29,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:38:29,026 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:38:29,026 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:38:29,027 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-12-08 16:38:29,061 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/data/d71065ba6/0fb75215fe924221b30c8524cc6f82be/FLAG90995db82 [2018-12-08 16:38:29,402 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:38:29,402 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-12-08 16:38:29,408 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/data/d71065ba6/0fb75215fe924221b30c8524cc6f82be/FLAG90995db82 [2018-12-08 16:38:29,792 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/data/d71065ba6/0fb75215fe924221b30c8524cc6f82be [2018-12-08 16:38:29,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:38:29,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:38:29,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:38:29,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:38:29,800 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:38:29,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:38:29" (1/1) ... [2018-12-08 16:38:29,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:29, skipping insertion in model container [2018-12-08 16:38:29,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:38:29" (1/1) ... [2018-12-08 16:38:29,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:38:29,837 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:38:29,977 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:38:29,985 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:38:30,062 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:38:30,076 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:38:30,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30 WrapperNode [2018-12-08 16:38:30,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:38:30,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:38:30,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:38:30,077 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:38:30,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... [2018-12-08 16:38:30,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... [2018-12-08 16:38:30,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:38:30,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:38:30,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:38:30,097 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:38:30,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... [2018-12-08 16:38:30,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... [2018-12-08 16:38:30,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... [2018-12-08 16:38:30,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... [2018-12-08 16:38:30,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... [2018-12-08 16:38:30,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... [2018-12-08 16:38:30,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... [2018-12-08 16:38:30,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:38:30,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:38:30,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:38:30,116 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:38:30,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:38:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:38:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:38:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:38:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:38:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 16:38:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 16:38:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:38:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:38:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:38:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:38:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:38:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:38:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:38:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:38:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:38:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 16:38:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 16:38:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:38:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:38:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:38:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:38:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:38:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:38:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:38:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:38:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:38:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:38:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:38:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:38:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:38:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:38:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:38:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:38:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:38:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:38:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:38:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:38:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:38:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:38:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:38:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:38:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:38:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:38:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:38:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:38:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:38:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 16:38:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 16:38:30,415 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:38:30,415 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:38:30,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:38:30 BoogieIcfgContainer [2018-12-08 16:38:30,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:38:30,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:38:30,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:38:30,419 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:38:30,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:38:29" (1/3) ... [2018-12-08 16:38:30,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d70e82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:38:30, skipping insertion in model container [2018-12-08 16:38:30,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:30" (2/3) ... [2018-12-08 16:38:30,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d70e82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:38:30, skipping insertion in model container [2018-12-08 16:38:30,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:38:30" (3/3) ... [2018-12-08 16:38:30,421 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-12-08 16:38:30,429 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:38:30,435 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:38:30,444 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:38:30,462 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:38:30,463 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:38:30,463 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:38:30,463 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:38:30,463 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:38:30,463 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:38:30,463 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:38:30,463 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:38:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-08 16:38:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:38:30,479 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:30,479 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:30,481 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:30,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:30,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1560494029, now seen corresponding path program 1 times [2018-12-08 16:38:30,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:38:30,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:30,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:30,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:30,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:38:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:30,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:30,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:38:30,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:38:30,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:38:30,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:38:30,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:38:30,636 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-12-08 16:38:30,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:30,656 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2018-12-08 16:38:30,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:38:30,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 16:38:30,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:30,663 INFO L225 Difference]: With dead ends: 208 [2018-12-08 16:38:30,663 INFO L226 Difference]: Without dead ends: 104 [2018-12-08 16:38:30,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:38:30,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-08 16:38:30,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-08 16:38:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-08 16:38:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2018-12-08 16:38:30,695 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2018-12-08 16:38:30,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:30,696 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2018-12-08 16:38:30,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:38:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2018-12-08 16:38:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:38:30,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:30,698 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:30,698 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:30,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:30,698 INFO L82 PathProgramCache]: Analyzing trace with hash -285641722, now seen corresponding path program 1 times [2018-12-08 16:38:30,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:38:30,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:30,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:30,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:30,699 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:38:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:30,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:30,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:38:30,767 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:38:30,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:38:30,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:38:30,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:38:30,769 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2018-12-08 16:38:30,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:30,785 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2018-12-08 16:38:30,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:38:30,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 16:38:30,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:30,786 INFO L225 Difference]: With dead ends: 157 [2018-12-08 16:38:30,786 INFO L226 Difference]: Without dead ends: 95 [2018-12-08 16:38:30,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:38:30,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-08 16:38:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-08 16:38:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-08 16:38:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-12-08 16:38:30,797 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2018-12-08 16:38:30,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:30,797 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-12-08 16:38:30,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:38:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-12-08 16:38:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:38:30,799 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:30,799 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:30,799 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:30,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:30,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1417808719, now seen corresponding path program 1 times [2018-12-08 16:38:30,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:38:30,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:30,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:30,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:30,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:38:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:30,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:30,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:38:30,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:38:30,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:38:30,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:38:30,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:38:30,882 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2018-12-08 16:38:31,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:31,031 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2018-12-08 16:38:31,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:38:31,031 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 16:38:31,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:31,032 INFO L225 Difference]: With dead ends: 166 [2018-12-08 16:38:31,032 INFO L226 Difference]: Without dead ends: 95 [2018-12-08 16:38:31,033 INFO L631 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 [2018-12-08 16:38:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-08 16:38:31,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-08 16:38:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-08 16:38:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2018-12-08 16:38:31,038 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2018-12-08 16:38:31,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:31,039 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2018-12-08 16:38:31,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:38:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2018-12-08 16:38:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 16:38:31,040 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:31,040 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:31,040 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:31,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:31,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1127017422, now seen corresponding path program 1 times [2018-12-08 16:38:31,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:38:31,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:31,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:31,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:31,041 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:38:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:31,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:31,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:38:31,091 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:38:31,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:38:31,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:38:31,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:38:31,092 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 6 states. [2018-12-08 16:38:31,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:31,195 INFO L93 Difference]: Finished difference Result 230 states and 273 transitions. [2018-12-08 16:38:31,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:38:31,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-12-08 16:38:31,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:31,198 INFO L225 Difference]: With dead ends: 230 [2018-12-08 16:38:31,198 INFO L226 Difference]: Without dead ends: 159 [2018-12-08 16:38:31,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:38:31,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-12-08 16:38:31,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2018-12-08 16:38:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-12-08 16:38:31,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2018-12-08 16:38:31,215 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2018-12-08 16:38:31,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:31,215 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2018-12-08 16:38:31,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:38:31,215 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2018-12-08 16:38:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 16:38:31,216 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:31,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:31,217 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:31,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:31,217 INFO L82 PathProgramCache]: Analyzing trace with hash -796963022, now seen corresponding path program 1 times [2018-12-08 16:38:31,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:38:31,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:31,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:31,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:31,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:38:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:31,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:31,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:38:31,267 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:38:31,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:38:31,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:38:31,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:38:31,268 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 7 states. [2018-12-08 16:38:31,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:31,429 INFO L93 Difference]: Finished difference Result 245 states and 292 transitions. [2018-12-08 16:38:31,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:38:31,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2018-12-08 16:38:31,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:31,430 INFO L225 Difference]: With dead ends: 245 [2018-12-08 16:38:31,430 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:38:31,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:38:31,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:38:31,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:38:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:38:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:38:31,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-12-08 16:38:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:31,432 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:38:31,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:38:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:38:31,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:38:31,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:38:31,822 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 621 628) the Hoare annotation is: true [2018-12-08 16:38:31,823 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 621 628) no Hoare annotation was computed. [2018-12-08 16:38:31,823 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 621 628) no Hoare annotation was computed. [2018-12-08 16:38:31,823 INFO L444 ceAbstractionStarter]: At program point L607(line 607) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,823 INFO L448 ceAbstractionStarter]: For program point L607-1(lines 588 612) no Hoare annotation was computed. [2018-12-08 16:38:31,823 INFO L444 ceAbstractionStarter]: At program point L602(line 602) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,823 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 588 612) no Hoare annotation was computed. [2018-12-08 16:38:31,824 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,824 INFO L448 ceAbstractionStarter]: For program point L596(lines 596 604) no Hoare annotation was computed. [2018-12-08 16:38:31,824 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 588 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,824 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,824 INFO L448 ceAbstractionStarter]: For program point L594-1(line 594) no Hoare annotation was computed. [2018-12-08 16:38:31,824 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 609) no Hoare annotation was computed. [2018-12-08 16:38:31,824 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2018-12-08 16:38:31,824 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2018-12-08 16:38:31,824 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 580 586) no Hoare annotation was computed. [2018-12-08 16:38:31,824 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 580 586) the Hoare annotation is: true [2018-12-08 16:38:31,825 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2018-12-08 16:38:31,825 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2018-12-08 16:38:31,825 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2018-12-08 16:38:31,825 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 795 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,825 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 795 858) no Hoare annotation was computed. [2018-12-08 16:38:31,825 INFO L444 ceAbstractionStarter]: At program point L851(lines 804 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,825 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 845) no Hoare annotation was computed. [2018-12-08 16:38:31,825 INFO L444 ceAbstractionStarter]: At program point L841-2(lines 835 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 16:38:31,825 INFO L448 ceAbstractionStarter]: For program point L806(lines 805 850) no Hoare annotation was computed. [2018-12-08 16:38:31,825 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 846) no Hoare annotation was computed. [2018-12-08 16:38:31,825 INFO L444 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 16:38:31,825 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2018-12-08 16:38:31,826 INFO L448 ceAbstractionStarter]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2018-12-08 16:38:31,826 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 16:38:31,826 INFO L444 ceAbstractionStarter]: At program point L848(lines 805 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 16:38:31,826 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 821) no Hoare annotation was computed. [2018-12-08 16:38:31,826 INFO L448 ceAbstractionStarter]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2018-12-08 16:38:31,826 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2018-12-08 16:38:31,826 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 795 858) no Hoare annotation was computed. [2018-12-08 16:38:31,826 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,826 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2018-12-08 16:38:31,826 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,826 INFO L444 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,826 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2018-12-08 16:38:31,827 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2018-12-08 16:38:31,827 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2018-12-08 16:38:31,827 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 16:38:31,827 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,827 INFO L444 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,827 INFO L444 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,827 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 640 648) no Hoare annotation was computed. [2018-12-08 16:38:31,827 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 640 648) the Hoare annotation is: true [2018-12-08 16:38:31,827 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 640 648) no Hoare annotation was computed. [2018-12-08 16:38:31,827 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 785 793) no Hoare annotation was computed. [2018-12-08 16:38:31,827 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 785 793) the Hoare annotation is: true [2018-12-08 16:38:31,827 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 785 793) no Hoare annotation was computed. [2018-12-08 16:38:31,828 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:38:31,828 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 16:38:31,828 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:38:31,828 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 685 703) the Hoare annotation is: true [2018-12-08 16:38:31,828 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2018-12-08 16:38:31,828 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 685 703) no Hoare annotation was computed. [2018-12-08 16:38:31,828 INFO L451 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-12-08 16:38:31,828 INFO L448 ceAbstractionStarter]: For program point L694-2(lines 694 698) no Hoare annotation was computed. [2018-12-08 16:38:31,828 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-12-08 16:38:31,828 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 685 703) no Hoare annotation was computed. [2018-12-08 16:38:31,828 INFO L448 ceAbstractionStarter]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2018-12-08 16:38:31,829 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 732 743) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,829 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 732 743) no Hoare annotation was computed. [2018-12-08 16:38:31,829 INFO L444 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,829 INFO L444 ceAbstractionStarter]: At program point L567(lines 567 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,829 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,829 INFO L448 ceAbstractionStarter]: For program point L560(lines 559 578) no Hoare annotation was computed. [2018-12-08 16:38:31,829 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 556 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,829 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 556 579) no Hoare annotation was computed. [2018-12-08 16:38:31,829 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 556 579) no Hoare annotation was computed. [2018-12-08 16:38:31,830 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 16:38:31,830 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2018-12-08 16:38:31,830 INFO L451 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2018-12-08 16:38:31,830 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2018-12-08 16:38:31,830 INFO L451 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2018-12-08 16:38:31,830 INFO L448 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2018-12-08 16:38:31,830 INFO L451 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2018-12-08 16:38:31,830 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-08 16:38:31,830 INFO L448 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2018-12-08 16:38:31,830 INFO L451 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2018-12-08 16:38:31,830 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 744 752) the Hoare annotation is: true [2018-12-08 16:38:31,830 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 744 752) no Hoare annotation was computed. [2018-12-08 16:38:31,831 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 744 752) no Hoare annotation was computed. [2018-12-08 16:38:31,831 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 708 719) the Hoare annotation is: true [2018-12-08 16:38:31,831 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 708 719) no Hoare annotation was computed. [2018-12-08 16:38:31,831 INFO L448 ceAbstractionStarter]: For program point L712-1(lines 708 719) no Hoare annotation was computed. [2018-12-08 16:38:31,831 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2018-12-08 16:38:31,831 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2018-12-08 16:38:31,831 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2018-12-08 16:38:31,831 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2018-12-08 16:38:31,831 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:38:31,831 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 16:38:31,831 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:38:31,832 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:38:31,832 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 720 731) no Hoare annotation was computed. [2018-12-08 16:38:31,832 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 720 731) the Hoare annotation is: true [2018-12-08 16:38:31,832 INFO L448 ceAbstractionStarter]: For program point L724-1(lines 720 731) no Hoare annotation was computed. [2018-12-08 16:38:31,832 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2018-12-08 16:38:31,832 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2018-12-08 16:38:31,832 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2018-12-08 16:38:31,832 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2018-12-08 16:38:31,832 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:31,832 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2018-12-08 16:38:31,833 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2018-12-08 16:38:31,833 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-12-08 16:38:31,833 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-08 16:38:31,833 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-12-08 16:38:31,833 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-12-08 16:38:31,833 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 16:38:31,833 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-12-08 16:38:31,833 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-12-08 16:38:31,833 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-12-08 16:38:31,833 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-12-08 16:38:31,833 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-12-08 16:38:31,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:38:31 BoogieIcfgContainer [2018-12-08 16:38:31,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:38:31,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:38:31,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:38:31,844 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:38:31,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:38:30" (3/4) ... [2018-12-08 16:38:31,847 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:38:31,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:38:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 16:38:31,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:38:31,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:38:31,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:38:31,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:38:31,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:38:31,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:38:31,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:38:31,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:38:31,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:38:31,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:38:31,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 16:38:31,860 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-08 16:38:31,860 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 16:38:31,860 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:38:31,860 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 16:38:31,861 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:38:31,861 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:38:31,882 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-08 16:38:31,882 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:38:31,906 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d2432ede-e085-47a5-b292-59d1c786f481/bin-2019/utaipan/witness.graphml [2018-12-08 16:38:31,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:38:31,906 INFO L168 Benchmark]: Toolchain (without parser) took 2111.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -208.7 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:31,907 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:38:31,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:31,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.43 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:31,908 INFO L168 Benchmark]: Boogie Preprocessor took 19.25 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:31,908 INFO L168 Benchmark]: RCFGBuilder took 299.78 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: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:31,908 INFO L168 Benchmark]: TraceAbstraction took 1426.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 84.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -113.7 MB). Peak memory consumption was 280.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:31,908 INFO L168 Benchmark]: Witness Printer took 62.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:31,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.43 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.25 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 299.78 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: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1426.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 84.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -113.7 MB). Peak memory consumption was 280.2 MB. Max. memory is 11.5 GB. * Witness Printer took 62.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 804]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 250 SDslu, 819 SDs, 0 SdLazy, 299 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 223 PreInvPairs, 236 NumberOfFragments, 428 HoareAnnotationTreeSize, 223 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 705 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 26179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...