./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product09_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_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/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 5e00f12062c7c62f6aec19aeda9d058e37c16487 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:02:59,189 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:02:59,191 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:02:59,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:02:59,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:02:59,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:02:59,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:02:59,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:02:59,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:02:59,203 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:02:59,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:02:59,204 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:02:59,204 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:02:59,205 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:02:59,206 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:02:59,206 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:02:59,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:02:59,208 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:02:59,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:02:59,210 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:02:59,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:02:59,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:02:59,214 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:02:59,214 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:02:59,214 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:02:59,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:02:59,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:02:59,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:02:59,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:02:59,217 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:02:59,217 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:02:59,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:02:59,218 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:02:59,218 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:02:59,218 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:02:59,219 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:02:59,219 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:02:59,229 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:02:59,229 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:02:59,230 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:02:59,230 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:02:59,230 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:02:59,230 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:02:59,230 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:02:59,230 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:02:59,231 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:02:59,231 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:02:59,231 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:02:59,231 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:02:59,231 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:02:59,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:02:59,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:02:59,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:02:59,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:02:59,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:02:59,232 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:02:59,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:02:59,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:02:59,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:02:59,233 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:02:59,233 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:02:59,233 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:02:59,233 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:02:59,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:02:59,233 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:02:59,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:02:59,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:02:59,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:02:59,234 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:02:59,234 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:02:59,234 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:02:59,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:02:59,234 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:02:59,234 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_033daef5-2c7f-4403-bd2b-8a1c80685d95/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 -> 5e00f12062c7c62f6aec19aeda9d058e37c16487 [2018-12-09 16:02:59,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:02:59,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:02:59,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:02:59,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:02:59,269 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:02:59,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2018-12-09 16:02:59,311 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/data/a134bd8f9/69733ff20d6f4422b83da788965d21f1/FLAG1d43b655e [2018-12-09 16:02:59,778 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:02:59,779 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/sv-benchmarks/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2018-12-09 16:02:59,785 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/data/a134bd8f9/69733ff20d6f4422b83da788965d21f1/FLAG1d43b655e [2018-12-09 16:02:59,793 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/data/a134bd8f9/69733ff20d6f4422b83da788965d21f1 [2018-12-09 16:02:59,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:02:59,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:02:59,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:02:59,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:02:59,798 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:02:59,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:02:59" (1/1) ... [2018-12-09 16:02:59,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59, skipping insertion in model container [2018-12-09 16:02:59,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:02:59" (1/1) ... [2018-12-09 16:02:59,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:02:59,823 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:02:59,960 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:02:59,999 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:03:00,037 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:03:00,051 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:03:00,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00 WrapperNode [2018-12-09 16:03:00,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:03:00,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:03:00,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:03:00,052 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:03:00,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... [2018-12-09 16:03:00,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... [2018-12-09 16:03:00,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:03:00,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:03:00,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:03:00,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:03:00,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... [2018-12-09 16:03:00,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... [2018-12-09 16:03:00,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... [2018-12-09 16:03:00,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... [2018-12-09 16:03:00,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... [2018-12-09 16:03:00,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... [2018-12-09 16:03:00,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... [2018-12-09 16:03:00,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:03:00,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:03:00,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:03:00,092 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:03:00,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/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 [2018-12-09 16:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 16:03:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 16:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 16:03:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 16:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:03:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 16:03:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 16:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 16:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 16:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 16:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 16:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 16:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 16:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 16:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 16:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 16:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 16:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 16:03:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 16:03:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 16:03:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 16:03:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 16:03:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 16:03:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 16:03:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 16:03:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 16:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 16:03:00,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 16:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:03:00,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 16:03:00,127 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 16:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 16:03:00,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 16:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 16:03:00,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 16:03:00,377 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:03:00,377 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 16:03:00,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:03:00 BoogieIcfgContainer [2018-12-09 16:03:00,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:03:00,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:03:00,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:03:00,380 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:03:00,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:02:59" (1/3) ... [2018-12-09 16:03:00,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d56ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:03:00, skipping insertion in model container [2018-12-09 16:03:00,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:03:00" (2/3) ... [2018-12-09 16:03:00,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d56ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:03:00, skipping insertion in model container [2018-12-09 16:03:00,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:03:00" (3/3) ... [2018-12-09 16:03:00,383 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2018-12-09 16:03:00,391 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:03:00,397 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:03:00,406 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:03:00,427 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:03:00,427 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:03:00,427 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:03:00,427 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:03:00,427 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:03:00,427 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:03:00,427 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:03:00,427 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:03:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2018-12-09 16:03:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 16:03:00,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:00,447 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] [2018-12-09 16:03:00,449 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:00,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:00,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1353694498, now seen corresponding path program 1 times [2018-12-09 16:03:00,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:00,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:00,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:00,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:00,482 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:03:00,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:03:00,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 16:03:00,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:03:00,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 16:03:00,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 16:03:00,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:03:00,636 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2018-12-09 16:03:00,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:00,654 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2018-12-09 16:03:00,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 16:03:00,655 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 16:03:00,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:00,661 INFO L225 Difference]: With dead ends: 162 [2018-12-09 16:03:00,661 INFO L226 Difference]: Without dead ends: 81 [2018-12-09 16:03:00,663 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 [2018-12-09 16:03:00,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-09 16:03:00,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-09 16:03:00,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-09 16:03:00,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2018-12-09 16:03:00,690 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2018-12-09 16:03:00,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:00,690 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2018-12-09 16:03:00,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 16:03:00,690 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2018-12-09 16:03:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 16:03:00,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:00,692 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] [2018-12-09 16:03:00,692 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:00,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:00,692 INFO L82 PathProgramCache]: Analyzing trace with hash -61015797, now seen corresponding path program 1 times [2018-12-09 16:03:00,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:00,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:00,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:00,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:00,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:03:00,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:03:00,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 16:03:00,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:03:00,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:03:00,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:03:00,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:03:00,751 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 3 states. [2018-12-09 16:03:00,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:00,760 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2018-12-09 16:03:00,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:03:00,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 16:03:00,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:00,761 INFO L225 Difference]: With dead ends: 111 [2018-12-09 16:03:00,761 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 16:03:00,762 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 [2018-12-09 16:03:00,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 16:03:00,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-09 16:03:00,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 16:03:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2018-12-09 16:03:00,767 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2018-12-09 16:03:00,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:00,767 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2018-12-09 16:03:00,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:03:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2018-12-09 16:03:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 16:03:00,768 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:00,768 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] [2018-12-09 16:03:00,768 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:00,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:00,769 INFO L82 PathProgramCache]: Analyzing trace with hash -346613443, now seen corresponding path program 1 times [2018-12-09 16:03:00,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:00,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:00,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:00,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:00,769 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:03:00,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:03:00,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 16:03:00,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:03:00,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:03:00,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:03:00,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:03:00,834 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 7 states. [2018-12-09 16:03:00,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:00,953 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2018-12-09 16:03:00,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:03:00,953 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 16:03:00,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:00,954 INFO L225 Difference]: With dead ends: 120 [2018-12-09 16:03:00,955 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 16:03:00,955 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 [2018-12-09 16:03:00,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 16:03:00,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-09 16:03:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 16:03:00,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2018-12-09 16:03:00,962 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2018-12-09 16:03:00,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:00,963 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2018-12-09 16:03:00,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:03:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-12-09 16:03:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 16:03:00,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:00,964 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] [2018-12-09 16:03:00,965 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:00,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:00,965 INFO L82 PathProgramCache]: Analyzing trace with hash -290210019, now seen corresponding path program 1 times [2018-12-09 16:03:00,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:00,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:00,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:00,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:00,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:03:01,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:03:01,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:03:01,026 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:03:01,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:03:01,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:03:01,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:03:01,027 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 6 states. [2018-12-09 16:03:01,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:01,112 INFO L93 Difference]: Finished difference Result 161 states and 192 transitions. [2018-12-09 16:03:01,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:03:01,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-12-09 16:03:01,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:01,115 INFO L225 Difference]: With dead ends: 161 [2018-12-09 16:03:01,115 INFO L226 Difference]: Without dead ends: 113 [2018-12-09 16:03:01,115 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 [2018-12-09 16:03:01,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-12-09 16:03:01,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2018-12-09 16:03:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-12-09 16:03:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2018-12-09 16:03:01,124 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 54 [2018-12-09 16:03:01,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:01,125 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2018-12-09 16:03:01,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:03:01,125 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2018-12-09 16:03:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 16:03:01,126 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:01,126 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] [2018-12-09 16:03:01,126 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:01,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:01,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1298711001, now seen corresponding path program 1 times [2018-12-09 16:03:01,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:01,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:01,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:01,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:01,127 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:03:01,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:03:01,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:03:01,173 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:03:01,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:03:01,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:03:01,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:03:01,174 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 6 states. [2018-12-09 16:03:01,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:01,241 INFO L93 Difference]: Finished difference Result 189 states and 224 transitions. [2018-12-09 16:03:01,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:03:01,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-12-09 16:03:01,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:01,242 INFO L225 Difference]: With dead ends: 189 [2018-12-09 16:03:01,243 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 16:03:01,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:03:01,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 16:03:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 16:03:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 16:03:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 16:03:01,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-12-09 16:03:01,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:01,244 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 16:03:01,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:03:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 16:03:01,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:03:01,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 16:03:01,525 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 669 675) no Hoare annotation was computed. [2018-12-09 16:03:01,526 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 669 675) the Hoare annotation is: true [2018-12-09 16:03:01,526 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 16:03:01,526 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 16:03:01,526 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 16:03:01,526 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 16:03:01,526 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 16:03:01,527 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 767 830) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,527 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,527 INFO L448 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2018-12-09 16:03:01,527 INFO L448 ceAbstractionStarter]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2018-12-09 16:03:01,527 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 767 830) no Hoare annotation was computed. [2018-12-09 16:03:01,527 INFO L444 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,527 INFO L444 ceAbstractionStarter]: At program point L820(lines 777 822) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,527 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 793) no Hoare annotation was computed. [2018-12-09 16:03:01,527 INFO L448 ceAbstractionStarter]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2018-12-09 16:03:01,528 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-12-09 16:03:01,528 INFO L444 ceAbstractionStarter]: At program point L823(lines 776 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,528 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 817) no Hoare annotation was computed. [2018-12-09 16:03:01,528 INFO L444 ceAbstractionStarter]: At program point L813-2(lines 807 818) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,528 INFO L448 ceAbstractionStarter]: For program point L778(lines 777 822) no Hoare annotation was computed. [2018-12-09 16:03:01,528 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 818) no Hoare annotation was computed. [2018-12-09 16:03:01,528 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 767 830) no Hoare annotation was computed. [2018-12-09 16:03:01,528 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,528 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2018-12-09 16:03:01,529 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,529 INFO L444 ceAbstractionStarter]: At program point L626-1(line 626) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,529 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 631) no Hoare annotation was computed. [2018-12-09 16:03:01,529 INFO L448 ceAbstractionStarter]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2018-12-09 16:03:01,529 INFO L448 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2018-12-09 16:03:01,529 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,529 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2018-12-09 16:03:01,529 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,530 INFO L444 ceAbstractionStarter]: At program point L620-1(line 620) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,530 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 721 729) no Hoare annotation was computed. [2018-12-09 16:03:01,530 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 721 729) the Hoare annotation is: true [2018-12-09 16:03:01,530 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 721 729) no Hoare annotation was computed. [2018-12-09 16:03:01,530 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:03:01,530 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:03:01,530 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:03:01,530 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-12-09 16:03:01,530 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,530 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-12-09 16:03:01,531 INFO L451 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: true [2018-12-09 16:03:01,531 INFO L451 ceAbstractionStarter]: At program point L656(lines 656 662) the Hoare annotation is: true [2018-12-09 16:03:01,531 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 645 668) the Hoare annotation is: true [2018-12-09 16:03:01,531 INFO L444 ceAbstractionStarter]: At program point L651(line 651) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 16:03:01,531 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 645 668) no Hoare annotation was computed. [2018-12-09 16:03:01,531 INFO L448 ceAbstractionStarter]: For program point L649(lines 648 667) no Hoare annotation was computed. [2018-12-09 16:03:01,531 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 645 668) no Hoare annotation was computed. [2018-12-09 16:03:01,531 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2018-12-09 16:03:01,531 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2018-12-09 16:03:01,532 INFO L451 ceAbstractionStarter]: At program point L566(lines 541 570) the Hoare annotation is: true [2018-12-09 16:03:01,532 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 16:03:01,532 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-12-09 16:03:01,532 INFO L451 ceAbstractionStarter]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2018-12-09 16:03:01,532 INFO L448 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-12-09 16:03:01,532 INFO L451 ceAbstractionStarter]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2018-12-09 16:03:01,532 INFO L451 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-12-09 16:03:01,532 INFO L448 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-12-09 16:03:01,532 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-12-09 16:03:01,532 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-12-09 16:03:01,532 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-12-09 16:03:01,533 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2018-12-09 16:03:01,533 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-12-09 16:03:01,533 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-12-09 16:03:01,533 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 16:03:01,533 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 16:03:01,533 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2018-12-09 16:03:01,533 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2018-12-09 16:03:01,533 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:03:01,533 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 16:03:01,533 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:03:01,534 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:03:01,534 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-12-09 16:03:01,534 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: true [2018-12-09 16:03:01,534 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-12-09 16:03:01,534 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2018-12-09 16:03:01,534 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2018-12-09 16:03:01,534 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2018-12-09 16:03:01,534 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2018-12-09 16:03:01,535 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 16:03:01,535 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2018-12-09 16:03:01,535 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2018-12-09 16:03:01,535 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 832 856) the Hoare annotation is: true [2018-12-09 16:03:01,535 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 832 856) no Hoare annotation was computed. [2018-12-09 16:03:01,535 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 16:03:01,535 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 850) no Hoare annotation was computed. [2018-12-09 16:03:01,535 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 16:03:01,535 INFO L448 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-12-09 16:03:01,535 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 853) no Hoare annotation was computed. [2018-12-09 16:03:01,536 INFO L448 ceAbstractionStarter]: For program point L840-1(lines 832 856) no Hoare annotation was computed. [2018-12-09 16:03:01,536 INFO L451 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2018-12-09 16:03:01,536 INFO L448 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2018-12-09 16:03:01,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:03:01 BoogieIcfgContainer [2018-12-09 16:03:01,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:03:01,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:03:01,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:03:01,545 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:03:01,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:03:00" (3/4) ... [2018-12-09 16:03:01,548 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 16:03:01,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 16:03:01,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 16:03:01,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 16:03:01,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 16:03:01,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 16:03:01,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 16:03:01,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 16:03:01,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 16:03:01,555 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 16:03:01,559 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-09 16:03:01,559 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 16:03:01,559 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 16:03:01,560 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 16:03:01,560 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 16:03:01,560 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 16:03:01,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 16:03:01,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 16:03:01,598 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_033daef5-2c7f-4403-bd2b-8a1c80685d95/bin-2019/utaipan/witness.graphml [2018-12-09 16:03:01,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:03:01,599 INFO L168 Benchmark]: Toolchain (without parser) took 1804.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 953.5 MB in the beginning and 781.4 MB in the end (delta: 172.1 MB). Peak memory consumption was 254.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:03:01,600 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:03:01,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:03:01,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-09 16:03:01,600 INFO L168 Benchmark]: Boogie Preprocessor took 20.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:03:01,601 INFO L168 Benchmark]: RCFGBuilder took 286.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:03:01,601 INFO L168 Benchmark]: TraceAbstraction took 1166.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 788.6 MB in the end (delta: 232.9 MB). Peak memory consumption was 232.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:03:01,601 INFO L168 Benchmark]: Witness Printer took 53.13 ms. Allocated memory is still 1.1 GB. Free memory was 788.6 MB in the beginning and 781.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-09 16:03:01,602 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 286.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1166.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 788.6 MB in the end (delta: 232.9 MB). Peak memory consumption was 232.9 MB. Max. memory is 11.5 GB. * Witness Printer took 53.13 ms. Allocated memory is still 1.1 GB. Free memory was 788.6 MB in the beginning and 781.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 777]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 94 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 419 SDtfs, 163 SDslu, 692 SDs, 0 SdLazy, 163 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 40 LocationsWithAnnotation, 153 PreInvPairs, 166 NumberOfFragments, 292 HoareAnnotationTreeSize, 153 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 566 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 23729 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...