./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f73634e342cf3e7f84044af175d79019321da0bc ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:44,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:44,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:44,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:44,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:44,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:44,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:44,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:44,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:44,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:44,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:44,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:44,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:44,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:44,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:44,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:44,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:44,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:44,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:44,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:44,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:44,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:44,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:44,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:44,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:44,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:44,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:44,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:44,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:44,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:44,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:44,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:44,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:44,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:44,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:44,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:44,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:44,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:44,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:44,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:44,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:44,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:58:44,990 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:44,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:44,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:44,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:44,992 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:44,992 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:58:44,992 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:58:44,992 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:58:44,992 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:58:44,993 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:58:44,993 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:58:44,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:44,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:44,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:58:44,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:44,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:44,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:44,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:58:44,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:58:44,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:58:44,994 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:44,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:44,995 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:58:44,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:44,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:58:44,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:44,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:44,996 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:58:44,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:44,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:44,996 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:58:44,997 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:58:44,997 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/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(F end) ) 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 -> f73634e342cf3e7f84044af175d79019321da0bc [2019-10-22 08:58:45,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:45,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:45,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:45,036 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:45,037 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:45,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2019-10-22 08:58:45,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/data/8e63f678c/559a5f559d9b4210b3147fb4e255bba4/FLAG35ca6f1ef [2019-10-22 08:58:45,509 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:45,513 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2019-10-22 08:58:45,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/data/8e63f678c/559a5f559d9b4210b3147fb4e255bba4/FLAG35ca6f1ef [2019-10-22 08:58:45,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/data/8e63f678c/559a5f559d9b4210b3147fb4e255bba4 [2019-10-22 08:58:45,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:45,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:45,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:45,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:45,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:45,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:45" (1/1) ... [2019-10-22 08:58:45,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cab1254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:45, skipping insertion in model container [2019-10-22 08:58:45,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:45" (1/1) ... [2019-10-22 08:58:45,892 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:45,946 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:46,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:46,316 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:46,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:46,429 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:46,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46 WrapperNode [2019-10-22 08:58:46,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:46,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:46,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:46,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:46,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:46,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:46,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:46,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:46,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:46,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:46,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:46,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:46,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:47,163 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:47,163 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-10-22 08:58:47,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:47 BoogieIcfgContainer [2019-10-22 08:58:47,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:47,166 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:58:47,166 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:58:47,170 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:58:47,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:47,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:58:45" (1/3) ... [2019-10-22 08:58:47,173 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ccaf99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:47, skipping insertion in model container [2019-10-22 08:58:47,173 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:47,173 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (2/3) ... [2019-10-22 08:58:47,174 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ccaf99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:47, skipping insertion in model container [2019-10-22 08:58:47,174 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:47,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:47" (3/3) ... [2019-10-22 08:58:47,176 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2019-10-22 08:58:47,242 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:58:47,242 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:58:47,242 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:58:47,242 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:47,243 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:47,243 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:58:47,243 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:47,243 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:58:47,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2019-10-22 08:58:47,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:58:47,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:47,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:47,313 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:47,314 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:47,314 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:58:47,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2019-10-22 08:58:47,319 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:58:47,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:47,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:47,322 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:47,323 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:47,329 INFO L791 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 14#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 56#L667true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 62#L675true main_#t~ret71 := valid_product_#res;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; 49#L883true assume 0 != main_~tmp~7; 24#L859true ~methAndRunningLastTime~0 := 0; 12#L767true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 64#L778-1true [2019-10-22 08:58:47,338 INFO L793 eck$LassoCheckResult]: Loop: 64#L778-1true assume !false; 40#L55true assume test_~splverifierCounter~0 < 4; 57#L56true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 67#L64true assume !(0 != test_~tmp~0); 63#L64-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 46#L74true assume !(0 != test_~tmp___0~0); 36#L74-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 13#L84true assume 0 != test_~tmp___2~0; 71#L90-2true assume !(0 != ~pumpRunning~0); 45#L133true assume !(0 != ~systemActive~0); 54#L140true havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 16#L724-1true __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 10#L778true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 64#L778-1true [2019-10-22 08:58:47,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:47,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-10-22 08:58:47,354 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:47,355 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146528834] [2019-10-22 08:58:47,355 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:47,356 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:47,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:48,331 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:48,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,332 INFO L82 PathProgramCache]: Analyzing trace with hash 2383754, now seen corresponding path program 1 times [2019-10-22 08:58:48,333 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,333 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505128107] [2019-10-22 08:58:48,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,334 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:48,350 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:48,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,362 INFO L82 PathProgramCache]: Analyzing trace with hash 835680260, now seen corresponding path program 1 times [2019-10-22 08:58:48,362 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,362 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752835439] [2019-10-22 08:58:48,362 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,363 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:48,531 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752835439] [2019-10-22 08:58:48,531 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:48,532 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:58:48,532 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221374825] [2019-10-22 08:58:48,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:48,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:48,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:48,671 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 6 states. [2019-10-22 08:58:48,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:48,844 INFO L93 Difference]: Finished difference Result 70 states and 95 transitions. [2019-10-22 08:58:48,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:58:48,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 95 transitions. [2019-10-22 08:58:48,855 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-10-22 08:58:48,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 63 states and 88 transitions. [2019-10-22 08:58:48,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2019-10-22 08:58:48,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2019-10-22 08:58:48,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 88 transitions. [2019-10-22 08:58:48,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:48,866 INFO L688 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2019-10-22 08:58:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 88 transitions. [2019-10-22 08:58:48,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-10-22 08:58:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 08:58:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2019-10-22 08:58:48,911 INFO L711 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2019-10-22 08:58:48,911 INFO L591 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2019-10-22 08:58:48,911 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:58:48,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 88 transitions. [2019-10-22 08:58:48,913 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-10-22 08:58:48,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:48,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:48,914 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:48,914 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:48,915 INFO L791 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 178#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 179#L667 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 217#L675 main_#t~ret71 := valid_product_#res;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; 216#L883 assume 0 != main_~tmp~7; 191#L859 ~methAndRunningLastTime~0 := 0; 174#L767 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 162#L778-1 [2019-10-22 08:58:48,915 INFO L793 eck$LassoCheckResult]: Loop: 162#L778-1 assume !false; 206#L55 assume test_~splverifierCounter~0 < 4; 207#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 218#L64 assume !(0 != test_~tmp~0); 210#L64-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 213#L74 assume !(0 != test_~tmp___0~0); 204#L74-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 175#L84 assume 0 != test_~tmp___2~0; 177#L90-2 assume !(0 != ~pumpRunning~0); 197#L133 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 198#L165 assume !(0 != ~pumpRunning~0); 199#L140 havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 182#L724-1 __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 169#L778 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 162#L778-1 [2019-10-22 08:58:48,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-10-22 08:58:48,918 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,919 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694217597] [2019-10-22 08:58:48,919 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,919 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:49,384 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:49,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:49,384 INFO L82 PathProgramCache]: Analyzing trace with hash 53367905, now seen corresponding path program 1 times [2019-10-22 08:58:49,385 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:49,385 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233414512] [2019-10-22 08:58:49,385 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:49,385 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:49,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:49,400 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:49,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:49,401 INFO L82 PathProgramCache]: Analyzing trace with hash 115755815, now seen corresponding path program 1 times [2019-10-22 08:58:49,401 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:49,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437716127] [2019-10-22 08:58:49,402 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:49,402 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:49,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:49,739 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:12,845 WARN L191 SmtUtils]: Spent 23.04 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-10-22 08:59:24,842 WARN L191 SmtUtils]: Spent 11.98 s on a formula simplification that was a NOOP. DAG size: 451 [2019-10-22 08:59:24,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:59:24 BoogieIcfgContainer [2019-10-22 08:59:24,901 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:59:24,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:24,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:24,901 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:24,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:47" (3/4) ... [2019-10-22 08:59:24,907 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:59:24,958 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2057cd9f-4bb2-4ccb-8ae1-6f06156e3ae3/bin/uautomizer/witness.graphml [2019-10-22 08:59:24,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:24,961 INFO L168 Benchmark]: Toolchain (without parser) took 39082.14 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 372.2 MB). Free memory was 939.1 MB in the beginning and 1.3 GB in the end (delta: -380.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:24,962 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:24,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -224.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:24,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.20 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:24,963 INFO L168 Benchmark]: Boogie Preprocessor took 42.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:24,963 INFO L168 Benchmark]: RCFGBuilder took 642.07 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:24,964 INFO L168 Benchmark]: BuchiAutomizer took 37735.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -220.6 MB). Peak memory consumption was 381.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:24,964 INFO L168 Benchmark]: Witness Printer took 57.47 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:24,967 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 551.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -224.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.20 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 642.07 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37735.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -220.6 MB). Peak memory consumption was 381.4 MB. Max. memory is 11.5 GB. * Witness Printer took 57.47 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 90 SDtfs, 277 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 54]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8448} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-2, NULL=8447, NULL=0, NULL=8448, NULL=-21, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2809aa6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59610574=59, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fc556c1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c27818c=0, NULL=0, NULL=0, retValue_acc=0, NULL=-14, methaneLevelCritical=0, NULL=-18, NULL=-4, NULL=0, NULL=0, NULL=-10, tmp___1=0, NULL=0, NULL=-20, cleanupTimeShifts=4, tmp=0, NULL=2298, NULL=-11, NULL=-9, NULL=-1, NULL=-15, NULL=0, systemActive=1, waterLevel=1, NULL=0, retValue_acc=0, NULL=0, NULL=-16, NULL=0, NULL=8446, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=-6, NULL=0, NULL=0, \result=1, NULL=-13, head=0, pumpRunning=0, \result=0, NULL=-5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@616fa649=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35396a90=0, NULL=-17, NULL=0, tmp=1, NULL=0, NULL=0, retValue_acc=1, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ed355f=0, tmp___2=59, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, tmp=0, head=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1554e398=0, NULL=-12, NULL=0, NULL=-19, NULL=-8, NULL=8445, NULL=-7, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L125] int pumpRunning = 0; [L126] int systemActive = 1; [L445] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L681] int waterLevel = 1; [L682] int methaneLevelCritical = 0; [L761] int methAndRunningLastTime ; [L800] int cleanupTimeShifts = 4; [L874] int retValue_acc ; [L875] int tmp ; [L671] int retValue_acc ; [L674] retValue_acc = 1 [L675] return (retValue_acc); [L881] tmp = valid_product() [L883] COND TRUE \read(tmp) [L766] methAndRunningLastTime = 0 [L45] int splverifierCounter ; [L46] int tmp ; [L47] int tmp___0 ; [L48] int tmp___1 ; [L49] int tmp___2 ; [L52] splverifierCounter = 0 Loop: [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L133] COND FALSE !(\read(pumpRunning)) [L140] COND TRUE \read(systemActive) [L162] int tmp ; [L165] COND FALSE !(\read(pumpRunning)) [L771] int tmp ; [L772] int tmp___0 ; [L720] int retValue_acc ; [L723] retValue_acc = methaneLevelCritical [L724] return (retValue_acc); [L776] tmp = isMethaneLevelCritical() [L778] COND FALSE !(\read(tmp)) [L794] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...