./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 914cee364693da399a9c2543bf5dbcba9bd2afd1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:37:51,890 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:37:51,891 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:37:51,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:37:51,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:37:51,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:37:51,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:37:51,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:37:51,902 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:37:51,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:37:51,904 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:37:51,904 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:37:51,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:37:51,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:37:51,906 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:37:51,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:37:51,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:37:51,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:37:51,909 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:37:51,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:37:51,911 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:37:51,912 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:37:51,913 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:37:51,914 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:37:51,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:37:51,914 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:37:51,915 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:37:51,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:37:51,916 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:37:51,917 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:37:51,917 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:37:51,917 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:37:51,918 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:37:51,918 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:37:51,918 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:37:51,919 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:37:51,919 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:37:51,928 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:37:51,929 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:37:51,929 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:37:51,929 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:37:51,930 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:37:51,930 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:37:51,930 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:37:51,930 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:37:51,930 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:37:51,931 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:37:51,931 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:37:51,931 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:37:51,931 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:37:51,931 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:37:51,931 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:37:51,931 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:37:51,931 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:37:51,932 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:37:51,932 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:37:51,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:37:51,932 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:37:51,932 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:37:51,932 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:37:51,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:37:51,932 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:37:51,932 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:37:51,932 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:37:51,933 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:37:51,933 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:37:51,933 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:37:51,933 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer 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 -> Automizer 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 -> 914cee364693da399a9c2543bf5dbcba9bd2afd1 [2018-11-23 12:37:51,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:37:51,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:37:51,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:37:51,966 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:37:51,966 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:37:51,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product11_true-unreach-call_false-termination.cil.c [2018-11-23 12:37:51,997 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/data/1c4ff5c61/73324e54072a46d9a8ab36bc76f609b5/FLAG3f722de24 [2018-11-23 12:37:52,409 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:37:52,409 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/sv-benchmarks/c/product-lines/minepump_spec4_product11_true-unreach-call_false-termination.cil.c [2018-11-23 12:37:52,416 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/data/1c4ff5c61/73324e54072a46d9a8ab36bc76f609b5/FLAG3f722de24 [2018-11-23 12:37:52,426 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/data/1c4ff5c61/73324e54072a46d9a8ab36bc76f609b5 [2018-11-23 12:37:52,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:37:52,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:37:52,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:37:52,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:37:52,432 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:37:52,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71756cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52, skipping insertion in model container [2018-11-23 12:37:52,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:37:52,473 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:37:52,654 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:37:52,713 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:37:52,768 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:37:52,788 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:37:52,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52 WrapperNode [2018-11-23 12:37:52,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:37:52,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:37:52,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:37:52,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:37:52,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:37:52,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:37:52,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:37:52,812 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:37:52,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... [2018-11-23 12:37:52,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:37:52,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:37:52,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:37:52,835 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:37:52,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/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 [2018-11-23 12:37:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:37:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:37:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 12:37:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 12:37:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:37:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:37:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 12:37:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 12:37:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:37:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:37:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:37:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:37:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:37:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:37:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:37:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 12:37:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 12:37:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:37:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:37:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:37:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:37:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:37:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:37:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:37:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:37:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:37:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:37:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:37:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:37:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:37:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:37:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:37:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:37:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:37:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:37:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:37:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:37:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:37:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:37:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:37:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:37:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:37:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:37:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:37:53,256 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:37:53,257 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:37:53,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:53 BoogieIcfgContainer [2018-11-23 12:37:53,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:37:53,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:37:53,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:37:53,260 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:37:53,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:37:52" (1/3) ... [2018-11-23 12:37:53,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef5d039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:37:53, skipping insertion in model container [2018-11-23 12:37:53,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52" (2/3) ... [2018-11-23 12:37:53,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef5d039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:37:53, skipping insertion in model container [2018-11-23 12:37:53,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:53" (3/3) ... [2018-11-23 12:37:53,264 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11_true-unreach-call_false-termination.cil.c [2018-11-23 12:37:53,271 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:37:53,276 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:37:53,286 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:37:53,307 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:37:53,307 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:37:53,307 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:37:53,308 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:37:53,308 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:37:53,308 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:37:53,308 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:37:53,308 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:37:53,308 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:37:53,322 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-11-23 12:37:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:37:53,327 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:53,328 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] [2018-11-23 12:37:53,330 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:53,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:53,334 INFO L82 PathProgramCache]: Analyzing trace with hash -678485060, now seen corresponding path program 1 times [2018-11-23 12:37:53,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:53,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:53,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:53,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:53,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:53,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:53,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:37:53,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:37:53,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:37:53,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:37:53,527 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-11-23 12:37:53,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:53,550 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2018-11-23 12:37:53,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:37:53,551 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 12:37:53,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:53,557 INFO L225 Difference]: With dead ends: 180 [2018-11-23 12:37:53,557 INFO L226 Difference]: Without dead ends: 90 [2018-11-23 12:37:53,559 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 [2018-11-23 12:37:53,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-11-23 12:37:53,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-11-23 12:37:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-11-23 12:37:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-11-23 12:37:53,588 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2018-11-23 12:37:53,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:53,588 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-11-23 12:37:53,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:37:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-11-23 12:37:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:37:53,590 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:53,591 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] [2018-11-23 12:37:53,591 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:53,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:53,591 INFO L82 PathProgramCache]: Analyzing trace with hash -613777260, now seen corresponding path program 1 times [2018-11-23 12:37:53,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:53,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:53,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:53,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:53,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:53,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:53,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:37:53,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:37:53,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:37:53,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:53,687 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2018-11-23 12:37:53,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:53,700 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2018-11-23 12:37:53,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:37:53,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 12:37:53,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:53,703 INFO L225 Difference]: With dead ends: 120 [2018-11-23 12:37:53,704 INFO L226 Difference]: Without dead ends: 81 [2018-11-23 12:37:53,704 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 [2018-11-23 12:37:53,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-23 12:37:53,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-11-23 12:37:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-23 12:37:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2018-11-23 12:37:53,713 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2018-11-23 12:37:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:53,713 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2018-11-23 12:37:53,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:37:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2018-11-23 12:37:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:37:53,715 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:53,715 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] [2018-11-23 12:37:53,715 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:53,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:53,715 INFO L82 PathProgramCache]: Analyzing trace with hash -2051684313, now seen corresponding path program 1 times [2018-11-23 12:37:53,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:53,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:53,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:53,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:53,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:53,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:53,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:37:53,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:37:53,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:37:53,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:53,806 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 3 states. [2018-11-23 12:37:53,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:53,827 INFO L93 Difference]: Finished difference Result 190 states and 226 transitions. [2018-11-23 12:37:53,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:37:53,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-11-23 12:37:53,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:53,831 INFO L225 Difference]: With dead ends: 190 [2018-11-23 12:37:53,831 INFO L226 Difference]: Without dead ends: 133 [2018-11-23 12:37:53,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:53,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-23 12:37:53,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 123. [2018-11-23 12:37:53,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-23 12:37:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2018-11-23 12:37:53,846 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 51 [2018-11-23 12:37:53,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:53,846 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2018-11-23 12:37:53,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:37:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-11-23 12:37:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 12:37:53,847 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:53,847 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] [2018-11-23 12:37:53,848 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:53,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:53,848 INFO L82 PathProgramCache]: Analyzing trace with hash -840532143, now seen corresponding path program 1 times [2018-11-23 12:37:53,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:53,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:53,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:53,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:53,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:53,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:53,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:53,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 12:37:53,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:37:53,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:37:53,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:37:53,975 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 10 states. [2018-11-23 12:37:54,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:54,318 INFO L93 Difference]: Finished difference Result 386 states and 502 transitions. [2018-11-23 12:37:54,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 12:37:54,318 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-11-23 12:37:54,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:54,321 INFO L225 Difference]: With dead ends: 386 [2018-11-23 12:37:54,321 INFO L226 Difference]: Without dead ends: 287 [2018-11-23 12:37:54,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:37:54,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-11-23 12:37:54,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-11-23 12:37:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-23 12:37:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 345 transitions. [2018-11-23 12:37:54,350 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 345 transitions. Word has length 54 [2018-11-23 12:37:54,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:54,350 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 345 transitions. [2018-11-23 12:37:54,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:37:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 345 transitions. [2018-11-23 12:37:54,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 12:37:54,353 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:54,353 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] [2018-11-23 12:37:54,353 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:54,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:54,353 INFO L82 PathProgramCache]: Analyzing trace with hash -621872885, now seen corresponding path program 1 times [2018-11-23 12:37:54,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:54,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:54,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:54,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:54,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:54,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:54,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:37:54,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:37:54,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:37:54,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:54,412 INFO L87 Difference]: Start difference. First operand 279 states and 345 transitions. Second operand 3 states. [2018-11-23 12:37:54,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:54,431 INFO L93 Difference]: Finished difference Result 502 states and 635 transitions. [2018-11-23 12:37:54,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:37:54,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-23 12:37:54,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:54,433 INFO L225 Difference]: With dead ends: 502 [2018-11-23 12:37:54,434 INFO L226 Difference]: Without dead ends: 247 [2018-11-23 12:37:54,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:54,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-11-23 12:37:54,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-11-23 12:37:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-23 12:37:54,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 290 transitions. [2018-11-23 12:37:54,451 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 290 transitions. Word has length 58 [2018-11-23 12:37:54,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:54,451 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 290 transitions. [2018-11-23 12:37:54,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:37:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 290 transitions. [2018-11-23 12:37:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 12:37:54,454 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:54,454 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:37:54,454 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:54,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:54,454 INFO L82 PathProgramCache]: Analyzing trace with hash 397347106, now seen corresponding path program 1 times [2018-11-23 12:37:54,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:54,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:54,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:54,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:54,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 12:37:54,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:54,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:37:54,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:37:54,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:37:54,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:37:54,550 INFO L87 Difference]: Start difference. First operand 247 states and 290 transitions. Second operand 6 states. [2018-11-23 12:37:54,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:54,623 INFO L93 Difference]: Finished difference Result 251 states and 294 transitions. [2018-11-23 12:37:54,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:37:54,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 12:37:54,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:54,624 INFO L225 Difference]: With dead ends: 251 [2018-11-23 12:37:54,624 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:37:54,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:37:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:37:54,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:37:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:37:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:37:54,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-11-23 12:37:54,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:54,626 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:37:54,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:37:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:37:54,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:54,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:37:55,074 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2018-11-23 12:37:55,074 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2018-11-23 12:37:55,074 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2018-11-23 12:37:55,074 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 86 92) no Hoare annotation was computed. [2018-11-23 12:37:55,074 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 86 92) the Hoare annotation is: true [2018-11-23 12:37:55,074 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 859 865) the Hoare annotation is: true [2018-11-23 12:37:55,074 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 859 865) no Hoare annotation was computed. [2018-11-23 12:37:55,075 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 866 874) no Hoare annotation was computed. [2018-11-23 12:37:55,075 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 866 874) the Hoare annotation is: true [2018-11-23 12:37:55,075 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 866 874) no Hoare annotation was computed. [2018-11-23 12:37:55,075 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 202 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,075 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,075 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 254) no Hoare annotation was computed. [2018-11-23 12:37:55,075 INFO L444 ceAbstractionStarter]: At program point L248-1(lines 242 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,076 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 202 267) no Hoare annotation was computed. [2018-11-23 12:37:55,076 INFO L448 ceAbstractionStarter]: For program point L213(lines 212 259) no Hoare annotation was computed. [2018-11-23 12:37:55,076 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 255) no Hoare annotation was computed. [2018-11-23 12:37:55,076 INFO L444 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,076 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 238) no Hoare annotation was computed. [2018-11-23 12:37:55,076 INFO L448 ceAbstractionStarter]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2018-11-23 12:37:55,076 INFO L444 ceAbstractionStarter]: At program point L257(lines 212 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,076 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,076 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-11-23 12:37:55,076 INFO L448 ceAbstractionStarter]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2018-11-23 12:37:55,076 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 218) no Hoare annotation was computed. [2018-11-23 12:37:55,077 INFO L444 ceAbstractionStarter]: At program point L260(lines 211 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,077 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 202 267) no Hoare annotation was computed. [2018-11-23 12:37:55,077 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 270 294) the Hoare annotation is: true [2018-11-23 12:37:55,077 INFO L444 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 12:37:55,077 INFO L448 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2018-11-23 12:37:55,077 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-11-23 12:37:55,077 INFO L448 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-11-23 12:37:55,077 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2018-11-23 12:37:55,077 INFO L448 ceAbstractionStarter]: For program point L278-1(lines 270 294) no Hoare annotation was computed. [2018-11-23 12:37:55,077 INFO L451 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: true [2018-11-23 12:37:55,077 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-11-23 12:37:55,077 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 270 294) no Hoare annotation was computed. [2018-11-23 12:37:55,078 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 451 473) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,078 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 451 473) no Hoare annotation was computed. [2018-11-23 12:37:55,078 INFO L444 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,078 INFO L444 ceAbstractionStarter]: At program point L463-1(line 463) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,078 INFO L448 ceAbstractionStarter]: For program point L461(lines 461 468) no Hoare annotation was computed. [2018-11-23 12:37:55,078 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 451 473) no Hoare annotation was computed. [2018-11-23 12:37:55,078 INFO L448 ceAbstractionStarter]: For program point L461-1(lines 461 468) no Hoare annotation was computed. [2018-11-23 12:37:55,078 INFO L448 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2018-11-23 12:37:55,078 INFO L444 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,078 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,079 INFO L444 ceAbstractionStarter]: At program point L457-1(line 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,079 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 183 197) no Hoare annotation was computed. [2018-11-23 12:37:55,079 INFO L444 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 12:37:55,079 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 193) no Hoare annotation was computed. [2018-11-23 12:37:55,079 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 183 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 12:37:55,079 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 183 197) no Hoare annotation was computed. [2018-11-23 12:37:55,079 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2018-11-23 12:37:55,079 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2018-11-23 12:37:55,079 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2018-11-23 12:37:55,079 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:37:55,079 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:37:55,080 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:37:55,080 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 366 374) the Hoare annotation is: true [2018-11-23 12:37:55,080 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 366 374) no Hoare annotation was computed. [2018-11-23 12:37:55,080 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 366 374) no Hoare annotation was computed. [2018-11-23 12:37:55,080 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 322 333) the Hoare annotation is: true [2018-11-23 12:37:55,080 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 322 333) no Hoare annotation was computed. [2018-11-23 12:37:55,080 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 322 333) no Hoare annotation was computed. [2018-11-23 12:37:55,080 INFO L451 ceAbstractionStarter]: At program point L387-2(lines 387 401) the Hoare annotation is: true [2018-11-23 12:37:55,080 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 377 406) no Hoare annotation was computed. [2018-11-23 12:37:55,080 INFO L451 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2018-11-23 12:37:55,080 INFO L448 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2018-11-23 12:37:55,081 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 377 406) the Hoare annotation is: true [2018-11-23 12:37:55,081 INFO L451 ceAbstractionStarter]: At program point L402(lines 377 406) the Hoare annotation is: true [2018-11-23 12:37:55,081 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 12:37:55,081 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2018-11-23 12:37:55,081 INFO L451 ceAbstractionStarter]: At program point L391-1(lines 391 395) the Hoare annotation is: true [2018-11-23 12:37:55,081 INFO L448 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2018-11-23 12:37:55,081 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 62 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 12:37:55,081 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0))) [2018-11-23 12:37:55,081 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 62 85) no Hoare annotation was computed. [2018-11-23 12:37:55,082 INFO L444 ceAbstractionStarter]: At program point L73(lines 73 79) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 12:37:55,082 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 62 85) no Hoare annotation was computed. [2018-11-23 12:37:55,082 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 12:37:55,082 INFO L448 ceAbstractionStarter]: For program point L66(lines 65 84) no Hoare annotation was computed. [2018-11-23 12:37:55,082 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 298 309) the Hoare annotation is: true [2018-11-23 12:37:55,082 INFO L448 ceAbstractionStarter]: For program point L302-1(lines 298 309) no Hoare annotation was computed. [2018-11-23 12:37:55,082 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 298 309) no Hoare annotation was computed. [2018-11-23 12:37:55,082 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 852 858) no Hoare annotation was computed. [2018-11-23 12:37:55,082 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 852 858) the Hoare annotation is: true [2018-11-23 12:37:55,082 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 431 437) no Hoare annotation was computed. [2018-11-23 12:37:55,082 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 431 437) the Hoare annotation is: true [2018-11-23 12:37:55,082 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:37:55,083 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) [2018-11-23 12:37:55,083 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:37:55,083 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:37:55,083 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 310 321) no Hoare annotation was computed. [2018-11-23 12:37:55,083 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 310 321) no Hoare annotation was computed. [2018-11-23 12:37:55,083 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 310 321) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,083 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 12:37:55,083 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 12:37:55,083 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 12:37:55,083 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 12:37:55,084 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 438 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:37:55,084 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 438 447) no Hoare annotation was computed. [2018-11-23 12:37:55,084 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 438 447) no Hoare annotation was computed. [2018-11-23 12:37:55,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:37:55 BoogieIcfgContainer [2018-11-23 12:37:55,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:37:55,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:37:55,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:37:55,098 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:37:55,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:53" (3/4) ... [2018-11-23 12:37:55,101 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:37:55,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 12:37:55,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:37:55,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:37:55,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:37:55,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:37:55,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:37:55,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:37:55,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:37:55,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:37:55,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:37:55,112 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-23 12:37:55,112 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:37:55,113 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:37:55,113 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:37:55,113 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:37:55,113 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:37:55,113 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:37:55,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-23 12:37:55,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-23 12:37:55,159 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3cda3b27-274b-499b-98d3-fd624f6a3233/bin-2019/uautomizer/witness.graphml [2018-11-23 12:37:55,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:37:55,160 INFO L168 Benchmark]: Toolchain (without parser) took 2731.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.1 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -231.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:37:55,160 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:37:55,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:37:55,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:37:55,161 INFO L168 Benchmark]: Boogie Preprocessor took 22.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:37:55,161 INFO L168 Benchmark]: RCFGBuilder took 422.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:37:55,161 INFO L168 Benchmark]: TraceAbstraction took 1840.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -117.2 MB). Peak memory consumption was 291.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:37:55,162 INFO L168 Benchmark]: Witness Printer took 61.02 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:37:55,163 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 422.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1840.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -117.2 MB). Peak memory consumption was 291.0 MB. Max. memory is 11.5 GB. * Witness Printer took 61.02 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 387]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 103 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 564 SDtfs, 312 SDslu, 921 SDs, 0 SdLazy, 274 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 284 PreInvPairs, 325 NumberOfFragments, 452 HoareAnnotationTreeSize, 284 FomulaSimplifications, 338 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1086 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 39395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...