./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product01_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product01_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/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 9c952fe0d024abd1f77bec8afb960521fbb4c1bf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:28:03,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:28:03,134 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:28:03,142 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:28:03,142 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:28:03,142 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:28:03,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:28:03,144 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:28:03,145 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:28:03,146 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:28:03,146 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:28:03,147 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:28:03,147 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:28:03,148 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:28:03,149 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:28:03,149 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:28:03,150 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:28:03,151 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:28:03,152 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:28:03,153 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:28:03,154 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:28:03,154 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:28:03,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:28:03,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:28:03,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:28:03,157 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:28:03,157 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:28:03,158 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:28:03,158 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:28:03,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:28:03,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:28:03,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:28:03,160 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:28:03,160 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:28:03,161 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:28:03,161 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:28:03,161 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 08:28:03,171 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:28:03,171 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:28:03,171 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:28:03,172 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 08:28:03,172 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 08:28:03,172 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 08:28:03,172 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 08:28:03,172 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 08:28:03,172 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 08:28:03,172 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 08:28:03,172 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 08:28:03,173 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:28:03,173 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:28:03,173 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:28:03,173 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:28:03,173 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:28:03,174 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:28:03,174 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:28:03,174 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:28:03,174 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:28:03,174 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:28:03,174 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:28:03,174 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:28:03,175 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:28:03,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:28:03,175 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:28:03,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:28:03,175 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:28:03,175 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:28:03,175 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:28:03,176 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 08:28:03,176 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:28:03,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:28:03,176 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 08:28:03,176 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_3df5f3cd-a691-41fd-bf93-a43c92664129/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 -> 9c952fe0d024abd1f77bec8afb960521fbb4c1bf [2018-11-10 08:28:03,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:28:03,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:28:03,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:28:03,210 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:28:03,210 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:28:03,210 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product01_true-unreach-call_false-termination.cil.c [2018-11-10 08:28:03,245 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/data/c6ba6d830/d0c45bcf55364839bc4f6a8d48de7647/FLAGe49b30578 [2018-11-10 08:28:03,606 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:28:03,607 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/sv-benchmarks/c/product-lines/minepump_spec2_product01_true-unreach-call_false-termination.cil.c [2018-11-10 08:28:03,614 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/data/c6ba6d830/d0c45bcf55364839bc4f6a8d48de7647/FLAGe49b30578 [2018-11-10 08:28:03,623 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/data/c6ba6d830/d0c45bcf55364839bc4f6a8d48de7647 [2018-11-10 08:28:03,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:28:03,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:28:03,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:28:03,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:28:03,631 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:28:03,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:03,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71729748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03, skipping insertion in model container [2018-11-10 08:28:03,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:03,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:28:03,674 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:28:03,848 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:28:03,857 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:28:03,912 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:28:03,930 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:28:03,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03 WrapperNode [2018-11-10 08:28:03,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:28:03,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:28:03,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:28:03,932 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:28:03,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:04,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:04,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:28:04,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:28:04,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:28:04,026 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:28:04,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:04,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:04,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:04,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:04,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:04,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:04,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... [2018-11-10 08:28:04,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:28:04,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:28:04,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:28:04,059 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:28:04,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:28:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 08:28:04,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 08:28:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 08:28:04,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 08:28:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:28:04,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:28:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 08:28:04,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 08:28:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 08:28:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 08:28:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 08:28:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 08:28:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 08:28:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 08:28:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 08:28:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 08:28:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-10 08:28:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-10 08:28:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:28:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:28:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-10 08:28:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-10 08:28:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 08:28:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 08:28:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 08:28:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 08:28:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 08:28:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 08:28:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 08:28:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 08:28:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 08:28:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 08:28:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:28:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:28:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 08:28:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 08:28:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 08:28:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 08:28:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 08:28:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 08:28:04,601 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:28:04,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:28:04 BoogieIcfgContainer [2018-11-10 08:28:04,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:28:04,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:28:04,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:28:04,608 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:28:04,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:28:03" (1/3) ... [2018-11-10 08:28:04,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242aac7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:28:04, skipping insertion in model container [2018-11-10 08:28:04,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:28:03" (2/3) ... [2018-11-10 08:28:04,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242aac7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:28:04, skipping insertion in model container [2018-11-10 08:28:04,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:28:04" (3/3) ... [2018-11-10 08:28:04,612 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01_true-unreach-call_false-termination.cil.c [2018-11-10 08:28:04,619 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:28:04,625 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 08:28:04,637 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 08:28:04,661 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:28:04,661 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:28:04,662 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:28:04,662 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:28:04,662 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:28:04,662 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:28:04,662 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:28:04,662 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:28:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2018-11-10 08:28:04,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 08:28:04,678 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:28:04,678 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:28:04,680 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:28:04,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:28:04,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1223171653, now seen corresponding path program 1 times [2018-11-10 08:28:04,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:28:04,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:04,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:28:04,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:04,721 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:28:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:28:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:28:04,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:28:04,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 08:28:04,884 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:28:04,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 08:28:04,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 08:28:04,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 08:28:04,897 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2018-11-10 08:28:04,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:28:04,919 INFO L93 Difference]: Finished difference Result 172 states and 217 transitions. [2018-11-10 08:28:04,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 08:28:04,920 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-10 08:28:04,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:28:04,927 INFO L225 Difference]: With dead ends: 172 [2018-11-10 08:28:04,927 INFO L226 Difference]: Without dead ends: 88 [2018-11-10 08:28:04,929 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 08:28:04,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-10 08:28:04,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-11-10 08:28:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-10 08:28:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 102 transitions. [2018-11-10 08:28:04,960 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 102 transitions. Word has length 51 [2018-11-10 08:28:04,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:28:04,960 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 102 transitions. [2018-11-10 08:28:04,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 08:28:04,960 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2018-11-10 08:28:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 08:28:04,962 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:28:04,962 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:28:04,962 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:28:04,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:28:04,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1194760223, now seen corresponding path program 1 times [2018-11-10 08:28:04,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:28:04,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:04,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:28:04,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:04,964 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:28:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:28:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:28:05,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:28:05,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 08:28:05,044 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:28:05,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 08:28:05,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 08:28:05,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:28:05,047 INFO L87 Difference]: Start difference. First operand 88 states and 102 transitions. Second operand 3 states. [2018-11-10 08:28:05,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:28:05,060 INFO L93 Difference]: Finished difference Result 119 states and 137 transitions. [2018-11-10 08:28:05,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 08:28:05,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-10 08:28:05,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:28:05,062 INFO L225 Difference]: With dead ends: 119 [2018-11-10 08:28:05,062 INFO L226 Difference]: Without dead ends: 78 [2018-11-10 08:28:05,063 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:28:05,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-10 08:28:05,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-10 08:28:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-10 08:28:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2018-11-10 08:28:05,070 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2018-11-10 08:28:05,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:28:05,071 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2018-11-10 08:28:05,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 08:28:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2018-11-10 08:28:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 08:28:05,072 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:28:05,073 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:28:05,073 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:28:05,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:28:05,073 INFO L82 PathProgramCache]: Analyzing trace with hash 2058688224, now seen corresponding path program 1 times [2018-11-10 08:28:05,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:28:05,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:05,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:28:05,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:05,075 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:28:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:28:05,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:28:05,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:28:05,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 08:28:05,180 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:28:05,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 08:28:05,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 08:28:05,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 08:28:05,181 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 7 states. [2018-11-10 08:28:05,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:28:05,404 INFO L93 Difference]: Finished difference Result 128 states and 151 transitions. [2018-11-10 08:28:05,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 08:28:05,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-10 08:28:05,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:28:05,407 INFO L225 Difference]: With dead ends: 128 [2018-11-10 08:28:05,407 INFO L226 Difference]: Without dead ends: 78 [2018-11-10 08:28:05,408 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 08:28:05,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-10 08:28:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-10 08:28:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-10 08:28:05,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2018-11-10 08:28:05,416 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2018-11-10 08:28:05,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:28:05,417 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2018-11-10 08:28:05,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 08:28:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2018-11-10 08:28:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 08:28:05,418 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:28:05,418 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:28:05,418 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:28:05,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:28:05,419 INFO L82 PathProgramCache]: Analyzing trace with hash -980882922, now seen corresponding path program 1 times [2018-11-10 08:28:05,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:28:05,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:05,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:28:05,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:05,420 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:28:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:28:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:28:05,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:28:05,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 08:28:05,516 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:28:05,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 08:28:05,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 08:28:05,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 08:28:05,517 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 6 states. [2018-11-10 08:28:05,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:28:05,764 INFO L93 Difference]: Finished difference Result 170 states and 203 transitions. [2018-11-10 08:28:05,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 08:28:05,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-10 08:28:05,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:28:05,768 INFO L225 Difference]: With dead ends: 170 [2018-11-10 08:28:05,768 INFO L226 Difference]: Without dead ends: 120 [2018-11-10 08:28:05,768 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 08:28:05,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-10 08:28:05,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2018-11-10 08:28:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-10 08:28:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-11-10 08:28:05,783 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 60 [2018-11-10 08:28:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:28:05,783 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-11-10 08:28:05,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 08:28:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-11-10 08:28:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 08:28:05,785 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:28:05,785 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:28:05,787 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:28:05,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:28:05,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1790895546, now seen corresponding path program 1 times [2018-11-10 08:28:05,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:28:05,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:05,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:28:05,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:28:05,788 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:28:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:28:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:28:05,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:28:05,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 08:28:05,896 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:28:05,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 08:28:05,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 08:28:05,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 08:28:05,897 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 6 states. [2018-11-10 08:28:06,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:28:06,082 INFO L93 Difference]: Finished difference Result 198 states and 235 transitions. [2018-11-10 08:28:06,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 08:28:06,083 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-11-10 08:28:06,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:28:06,083 INFO L225 Difference]: With dead ends: 198 [2018-11-10 08:28:06,083 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 08:28:06,086 INFO L605 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 [2018-11-10 08:28:06,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 08:28:06,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 08:28:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 08:28:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 08:28:06,087 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-10 08:28:06,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:28:06,087 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 08:28:06,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 08:28:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 08:28:06,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:28:06,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 08:28:06,577 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 76 82) no Hoare annotation was computed. [2018-11-10 08:28:06,577 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 76 82) the Hoare annotation is: true [2018-11-10 08:28:06,577 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 245 251) the Hoare annotation is: true [2018-11-10 08:28:06,578 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 245 251) no Hoare annotation was computed. [2018-11-10 08:28:06,578 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 252 260) no Hoare annotation was computed. [2018-11-10 08:28:06,578 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 252 260) the Hoare annotation is: true [2018-11-10 08:28:06,578 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 252 260) no Hoare annotation was computed. [2018-11-10 08:28:06,578 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 159 222) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,578 INFO L421 ceAbstractionStarter]: At program point L215(lines 168 216) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,578 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 159 222) no Hoare annotation was computed. [2018-11-10 08:28:06,578 INFO L425 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2018-11-10 08:28:06,578 INFO L421 ceAbstractionStarter]: At program point L205-2(lines 199 210) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,579 INFO L425 ceAbstractionStarter]: For program point L170(lines 169 214) no Hoare annotation was computed. [2018-11-10 08:28:06,579 INFO L425 ceAbstractionStarter]: For program point L199(lines 199 210) no Hoare annotation was computed. [2018-11-10 08:28:06,579 INFO L421 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,579 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 195) no Hoare annotation was computed. [2018-11-10 08:28:06,579 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 189 195) no Hoare annotation was computed. [2018-11-10 08:28:06,580 INFO L421 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,580 INFO L421 ceAbstractionStarter]: At program point L212(lines 169 214) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= test_~splverifierCounter~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,580 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-10 08:28:06,580 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2018-11-10 08:28:06,580 INFO L425 ceAbstractionStarter]: For program point L171(lines 171 175) no Hoare annotation was computed. [2018-11-10 08:28:06,580 INFO L425 ceAbstractionStarter]: For program point L169-1(lines 169 214) no Hoare annotation was computed. [2018-11-10 08:28:06,580 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 159 222) no Hoare annotation was computed. [2018-11-10 08:28:06,580 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 336 358) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,580 INFO L421 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,580 INFO L421 ceAbstractionStarter]: At program point L348-1(line 348) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,581 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 353) no Hoare annotation was computed. [2018-11-10 08:28:06,581 INFO L425 ceAbstractionStarter]: For program point L346-1(lines 346 353) no Hoare annotation was computed. [2018-11-10 08:28:06,581 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 336 358) no Hoare annotation was computed. [2018-11-10 08:28:06,581 INFO L425 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2018-11-10 08:28:06,581 INFO L421 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,581 INFO L421 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,581 INFO L421 ceAbstractionStarter]: At program point L342-1(line 342) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,581 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 336 358) no Hoare annotation was computed. [2018-11-10 08:28:06,581 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 110 118) no Hoare annotation was computed. [2018-11-10 08:28:06,581 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 110 118) the Hoare annotation is: true [2018-11-10 08:28:06,581 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 110 118) no Hoare annotation was computed. [2018-11-10 08:28:06,582 INFO L421 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 08:28:06,582 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2018-11-10 08:28:06,582 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 392) no Hoare annotation was computed. [2018-11-10 08:28:06,582 INFO L421 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 08:28:06,582 INFO L425 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-11-10 08:28:06,582 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-11-10 08:28:06,582 INFO L425 ceAbstractionStarter]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2018-11-10 08:28:06,582 INFO L428 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2018-11-10 08:28:06,582 INFO L425 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-11-10 08:28:06,582 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: true [2018-11-10 08:28:06,582 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2018-11-10 08:28:06,582 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:28:06,583 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:28:06,583 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:28:06,583 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: true [2018-11-10 08:28:06,591 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2018-11-10 08:28:06,591 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2018-11-10 08:28:06,591 INFO L425 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2018-11-10 08:28:06,591 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 793 804) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,591 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2018-11-10 08:28:06,591 INFO L428 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: true [2018-11-10 08:28:06,592 INFO L428 ceAbstractionStarter]: At program point L63(lines 63 69) the Hoare annotation is: true [2018-11-10 08:28:06,592 INFO L421 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 08:28:06,592 INFO L425 ceAbstractionStarter]: For program point L56(lines 55 74) no Hoare annotation was computed. [2018-11-10 08:28:06,592 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 52 75) the Hoare annotation is: true [2018-11-10 08:28:06,592 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 52 75) no Hoare annotation was computed. [2018-11-10 08:28:06,592 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 52 75) no Hoare annotation was computed. [2018-11-10 08:28:06,592 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 805 813) the Hoare annotation is: true [2018-11-10 08:28:06,592 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 805 813) no Hoare annotation was computed. [2018-11-10 08:28:06,592 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2018-11-10 08:28:06,592 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 263 292) no Hoare annotation was computed. [2018-11-10 08:28:06,592 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-11-10 08:28:06,592 INFO L428 ceAbstractionStarter]: At program point L277-1(lines 277 281) the Hoare annotation is: true [2018-11-10 08:28:06,592 INFO L425 ceAbstractionStarter]: For program point L273-1(lines 273 287) no Hoare annotation was computed. [2018-11-10 08:28:06,593 INFO L428 ceAbstractionStarter]: At program point L273-3(lines 273 287) the Hoare annotation is: true [2018-11-10 08:28:06,593 INFO L428 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2018-11-10 08:28:06,593 INFO L425 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2018-11-10 08:28:06,593 INFO L428 ceAbstractionStarter]: At program point L288(lines 263 292) the Hoare annotation is: true [2018-11-10 08:28:06,593 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 263 292) the Hoare annotation is: true [2018-11-10 08:28:06,593 INFO L425 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2018-11-10 08:28:06,593 INFO L425 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2018-11-10 08:28:06,593 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 769 780) the Hoare annotation is: true [2018-11-10 08:28:06,593 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 769 780) no Hoare annotation was computed. [2018-11-10 08:28:06,593 INFO L425 ceAbstractionStarter]: For program point L773-1(lines 769 780) no Hoare annotation was computed. [2018-11-10 08:28:06,593 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 238 244) no Hoare annotation was computed. [2018-11-10 08:28:06,593 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 238 244) the Hoare annotation is: true [2018-11-10 08:28:06,593 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:28:06,594 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-10 08:28:06,594 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:28:06,594 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:28:06,594 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 317 323) no Hoare annotation was computed. [2018-11-10 08:28:06,594 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 317 323) the Hoare annotation is: true [2018-11-10 08:28:06,594 INFO L425 ceAbstractionStarter]: For program point L785-1(lines 781 792) no Hoare annotation was computed. [2018-11-10 08:28:06,594 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2018-11-10 08:28:06,594 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 781 792) the Hoare annotation is: true [2018-11-10 08:28:06,594 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 847 854) no Hoare annotation was computed. [2018-11-10 08:28:06,594 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 847 854) the Hoare annotation is: true [2018-11-10 08:28:06,594 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2018-11-10 08:28:06,594 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 847 854) no Hoare annotation was computed. [2018-11-10 08:28:06,595 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 325 335) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,595 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 325 335) no Hoare annotation was computed. [2018-11-10 08:28:06,596 INFO L421 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 08:28:06,596 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 325 335) no Hoare annotation was computed. [2018-11-10 08:28:06,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:28:06 BoogieIcfgContainer [2018-11-10 08:28:06,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 08:28:06,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:28:06,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:28:06,607 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:28:06,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:28:04" (3/4) ... [2018-11-10 08:28:06,611 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:28:06,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 08:28:06,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 08:28:06,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 08:28:06,617 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 08:28:06,618 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 08:28:06,619 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 08:28:06,619 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 08:28:06,619 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 08:28:06,619 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 08:28:06,626 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2018-11-10 08:28:06,627 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 08:28:06,627 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 08:28:06,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 08:28:06,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 08:28:06,693 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3df5f3cd-a691-41fd-bf93-a43c92664129/bin-2019/utaipan/witness.graphml [2018-11-10 08:28:06,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:28:06,693 INFO L168 Benchmark]: Toolchain (without parser) took 3067.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -234.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:28:06,694 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:28:06,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.46 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 08:28:06,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 935.0 MB in the beginning and 1.2 GB in the end (delta: -226.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:28:06,695 INFO L168 Benchmark]: Boogie Preprocessor took 33.17 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 08:28:06,696 INFO L168 Benchmark]: RCFGBuilder took 542.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:28:06,696 INFO L168 Benchmark]: TraceAbstraction took 2003.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -128.0 MB). Peak memory consumption was 243.5 MB. Max. memory is 11.5 GB. [2018-11-10 08:28:06,696 INFO L168 Benchmark]: Witness Printer took 86.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-10 08:28:06,698 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.46 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 935.0 MB in the beginning and 1.2 GB in the end (delta: -226.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.17 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 542.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2003.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -128.0 MB). Peak memory consumption was 243.5 MB. Max. memory is 11.5 GB. * Witness Printer took 86.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 851]: 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: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || splverifierCounter == 0) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 101 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 453 SDtfs, 216 SDslu, 749 SDs, 0 SdLazy, 171 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred 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, 42 LocationsWithAnnotation, 155 PreInvPairs, 168 NumberOfFragments, 309 HoareAnnotationTreeSize, 155 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 595 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 28990 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...