./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/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 9a9facaada73db60539ede7a668b71ce2a4ae420 ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 13:22:39,247 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:22:39,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:22:39,255 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:22:39,255 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:22:39,256 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:22:39,257 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:22:39,258 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:22:39,259 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:22:39,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:22:39,260 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:22:39,260 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:22:39,261 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:22:39,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:22:39,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:22:39,263 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:22:39,263 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:22:39,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:22:39,265 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:22:39,266 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:22:39,267 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:22:39,267 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:22:39,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:22:39,268 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:22:39,269 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:22:39,269 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:22:39,270 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:22:39,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:22:39,270 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:22:39,271 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:22:39,271 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:22:39,272 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:22:39,272 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:22:39,272 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:22:39,273 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:22:39,273 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:22:39,274 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:22:39,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:22:39,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:22:39,282 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:22:39,282 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:22:39,282 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:22:39,283 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:22:39,283 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:22:39,283 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:22:39,283 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:22:39,283 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:22:39,283 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:22:39,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:22:39,283 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:22:39,284 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:22:39,284 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:22:39,284 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:22:39,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:22:39,284 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:22:39,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:22:39,284 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:22:39,285 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:22:39,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:22:39,285 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:22:39,285 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:22:39,285 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:22:39,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:22:39,285 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:22:39,285 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:22:39,288 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:22:39,288 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:22:39,288 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:22:39,289 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:22:39,289 INFO L133 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_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/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(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 -> 9a9facaada73db60539ede7a668b71ce2a4ae420 [2018-11-18 13:22:39,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:22:39,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:22:39,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:22:39,325 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:22:39,326 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:22:39,326 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-11-18 13:22:39,370 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/data/56b73a3c1/043844e5c58e4f8cb7e22211f2ddf4aa/FLAG101f55af2 [2018-11-18 13:22:39,805 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:22:39,805 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-11-18 13:22:39,811 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/data/56b73a3c1/043844e5c58e4f8cb7e22211f2ddf4aa/FLAG101f55af2 [2018-11-18 13:22:39,819 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/data/56b73a3c1/043844e5c58e4f8cb7e22211f2ddf4aa [2018-11-18 13:22:39,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:22:39,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:22:39,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:22:39,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:22:39,826 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:22:39,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:22:39" (1/1) ... [2018-11-18 13:22:39,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e2c184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:39, skipping insertion in model container [2018-11-18 13:22:39,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:22:39" (1/1) ... [2018-11-18 13:22:39,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:22:39,865 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:22:40,049 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:22:40,057 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:22:40,157 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:22:40,173 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:22:40,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40 WrapperNode [2018-11-18 13:22:40,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:22:40,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:22:40,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:22:40,174 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:22:40,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:22:40,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:22:40,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:22:40,211 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:22:40,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... [2018-11-18 13:22:40,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:22:40,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:22:40,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:22:40,232 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:22:40,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/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 [2018-11-18 13:22:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:22:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:22:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:22:40,753 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:22:40,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:22:40 BoogieIcfgContainer [2018-11-18 13:22:40,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:22:40,754 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:22:40,754 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:22:40,756 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:22:40,757 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:22:40,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:22:39" (1/3) ... [2018-11-18 13:22:40,758 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a9d7aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:22:40, skipping insertion in model container [2018-11-18 13:22:40,758 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:22:40,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:40" (2/3) ... [2018-11-18 13:22:40,758 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a9d7aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:22:40, skipping insertion in model container [2018-11-18 13:22:40,758 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:22:40,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:22:40" (3/3) ... [2018-11-18 13:22:40,759 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-11-18 13:22:40,794 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:22:40,794 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:22:40,794 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:22:40,794 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:22:40,795 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:22:40,795 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:22:40,795 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:22:40,795 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:22:40,795 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:22:40,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 13:22:40,827 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 13:22:40,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:22:40,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:22:40,834 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:22:40,835 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:22:40,835 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:22:40,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 13:22:40,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 13:22:40,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:22:40,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:22:40,840 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:22:40,840 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:22:40,845 INFO L794 eck$LassoCheckResult]: Stem: 76#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 13#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 55#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 8#L73true main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 4#L208true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 33#L183true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 16#L87true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 56#L881-3true [2018-11-18 13:22:40,845 INFO L796 eck$LassoCheckResult]: Loop: 56#L881-3true assume true; 66#L881-1true assume !false; 31#L882true assume test_~splverifierCounter~0 < 4; 91#L883true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 110#L891true assume !(0 != test_~tmp~8); 96#L891-2true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 51#L901true assume !(0 != test_~tmp___0~2); 39#L901-2true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 84#L911true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 71#L867true assume { :end_inline_startSystem } true; 89#L919-2true assume { :begin_inline_timeShift } true; 47#L700true assume !(0 != ~pumpRunning~0); 52#L700-2true assume !(0 != ~systemActive~0); 86#L707-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 109#L269true __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 18#L98true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 15#L98-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 21#L717true assume { :end_inline_timeShift } true; 56#L881-3true [2018-11-18 13:22:40,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:40,850 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:22:40,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:22:40,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:22:40,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:40,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:40,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:22:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:22:41,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:41,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1153609753, now seen corresponding path program 1 times [2018-11-18 13:22:41,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:22:41,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:22:41,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:41,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:41,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:22:41,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:22:41,065 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:22:41,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:22:41,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:22:41,075 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 3 states. [2018-11-18 13:22:41,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:22:41,103 INFO L93 Difference]: Finished difference Result 106 states and 135 transitions. [2018-11-18 13:22:41,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:22:41,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 135 transitions. [2018-11-18 13:22:41,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 13:22:41,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 96 states and 124 transitions. [2018-11-18 13:22:41,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2018-11-18 13:22:41,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 96 [2018-11-18 13:22:41,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 124 transitions. [2018-11-18 13:22:41,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:22:41,112 INFO L705 BuchiCegarLoop]: Abstraction has 96 states and 124 transitions. [2018-11-18 13:22:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 124 transitions. [2018-11-18 13:22:41,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 13:22:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 13:22:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2018-11-18 13:22:41,139 INFO L728 BuchiCegarLoop]: Abstraction has 96 states and 124 transitions. [2018-11-18 13:22:41,139 INFO L608 BuchiCegarLoop]: Abstraction has 96 states and 124 transitions. [2018-11-18 13:22:41,139 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:22:41,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 124 transitions. [2018-11-18 13:22:41,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 13:22:41,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:22:41,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:22:41,141 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:22:41,141 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:22:41,141 INFO L794 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 247#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 248#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 224#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 225#L73 main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 230#L208 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 231#L183 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 256#L87 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 226#L881-3 [2018-11-18 13:22:41,142 INFO L796 eck$LassoCheckResult]: Loop: 226#L881-3 assume true; 227#L881-1 assume !false; 264#L882 assume test_~splverifierCounter~0 < 4; 290#L883 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 312#L891 assume !(0 != test_~tmp~8); 315#L891-2 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 314#L901 assume !(0 != test_~tmp___0~2); 241#L901-2 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 298#L911 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 272#L867 assume { :end_inline_startSystem } true; 273#L919-2 assume { :begin_inline_timeShift } true; 311#L700 assume !(0 != ~pumpRunning~0); 304#L700-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 292#L732 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 251#L724-1 assume { :end_inline_processEnvironment__wrappee__base } true; 246#L732-1 assume { :end_inline_processEnvironment } true; 293#L707-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 305#L269 __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 259#L98 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 233#L98-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 255#L717 assume { :end_inline_timeShift } true; 226#L881-3 [2018-11-18 13:22:41,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:41,142 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:22:41,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:22:41,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:22:41,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:41,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:22:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:22:41,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:41,204 INFO L82 PathProgramCache]: Analyzing trace with hash -383503297, now seen corresponding path program 1 times [2018-11-18 13:22:41,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:22:41,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:22:41,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,205 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:22:41,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:22:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:22:41,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:41,215 INFO L82 PathProgramCache]: Analyzing trace with hash -784880394, now seen corresponding path program 1 times [2018-11-18 13:22:41,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:22:41,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:22:41,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:22:41,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:22:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:22:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:23:49,885 WARN L180 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:24:15,684 WARN L180 SmtUtils]: Spent 25.79 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:24:15,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:24:15 BoogieIcfgContainer [2018-11-18 13:24:15,749 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:24:15,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:24:15,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:24:15,750 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:24:15,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:22:40" (3/4) ... [2018-11-18 13:24:15,752 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:24:15,794 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee44d4e1-3e18-44c9-9c38-5e4f7968df7a/bin-2019/uautomizer/witness.graphml [2018-11-18 13:24:15,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:24:15,795 INFO L168 Benchmark]: Toolchain (without parser) took 95972.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 955.5 MB in the beginning and 962.2 MB in the end (delta: -6.7 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:24:15,795 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:24:15,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:24:15,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.54 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:24:15,796 INFO L168 Benchmark]: Boogie Preprocessor took 20.82 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. [2018-11-18 13:24:15,796 INFO L168 Benchmark]: RCFGBuilder took 521.66 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: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:24:15,797 INFO L168 Benchmark]: BuchiAutomizer took 94995.41 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 967.5 MB in the end (delta: 88.5 MB). Peak memory consumption was 194.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:24:15,797 INFO L168 Benchmark]: Witness Printer took 44.26 ms. Allocated memory is still 1.1 GB. Free memory was 967.5 MB in the beginning and 962.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:24:15,799 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.54 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.82 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 521.66 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: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 94995.41 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 967.5 MB in the end (delta: 88.5 MB). Peak memory consumption was 194.6 MB. Max. memory is 11.5 GB. * Witness Printer took 44.26 ms. Allocated memory is still 1.1 GB. Free memory was 967.5 MB in the beginning and 962.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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 3 locations. The remainder module has 96 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 94.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 94.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 96 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 130 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 881]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "On"=39, "Off"=0, "__utac__get_this_argtype"=0, retValue_acc=0, "__utac__get_this_argtype"=24, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ",Meth:"=19, "On"=0, "Off"=35, "libacc.c"=0, "__utac__get_this_argtype"=0, "OK"=17, methaneLevelCritical=0, "__utac__get_this_arg"=33, ") "=0, "i > 0 && i <= this->argsCount"=31, "libacc.c"=14, "\n"=0, tmp=0, tmp___1=0, "libacc.c"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a1f285b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dca0e9e=0, cleanupTimeShifts=4, "__utac__get_this_arg"=12, "libacc.c"=29, "libacc.c"=23, "Pump(System:"=26, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62e1d031=0, "i > 0 && i <= this->argsCount"=27, "On"=0, "Off"=0, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, "Off"=34, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38cbe603=0, "libacc.c"=0, tmp=1, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38b5008f=0, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=8, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36bdaaa8=0, "\n"=40, "On"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1009d275=171, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c7a3bb5=0, "Env(Water:%i"=20, retValue_acc=1, tmp___2=171, tmp___0=0, splverifierCounter=0, ",Pump:"=0, "CRIT"=0, ",Meth:"=0, "Env(Water:%i"=0, methAndRunningLastTime=0, \result=0, "CRIT"=18, ",Pump:"=38, head=0, tmp=0, "i > 0 && i <= this->argsCount"=15, "__utac__get_this_arg"=0, tmp=0, "__utac__get_this_argtype"=28, ")"=0, "OK"=0, ")"=16, ") "=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 881]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L278] FCALL "Env(Water:%i" [L279] FCALL ",Meth:" [L283] FCALL "CRIT" [L287] FCALL "OK" [L291] FCALL ")" [L621] FCALL "i > 0 && i <= this->argsCount" [L621] FCALL "libacc.c" [L622] FCALL "__utac__get_this_arg" [L628] FCALL "i > 0 && i <= this->argsCount" [L628] FCALL "libacc.c" [L629] FCALL "__utac__get_this_arg" [L667] FCALL "i > 0 && i <= this->argsCount" [L667] FCALL "libacc.c" [L668] FCALL "__utac__get_this_argtype" [L674] FCALL "i > 0 && i <= this->argsCount" [L674] FCALL "libacc.c" [L675] FCALL "__utac__get_this_argtype" [L812] FCALL "Pump(System:" [L816] FCALL "On" [L820] FCALL "Off" [L824] FCALL ",Pump:" [L828] FCALL "On" [L832] FCALL "Off" [L836] FCALL ") " [L838] FCALL "\n" [L81] int methAndRunningLastTime ; [L120] int cleanupTimeShifts = 4; [L226] int waterLevel = 1; [L227] int methaneLevelCritical = 0; [L693] int pumpRunning = 0; [L694] int systemActive = 1; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L199] int retValue_acc ; [L200] int tmp ; [L204] FCALL select_helpers() [L205] FCALL select_features() [L206] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L206] EXPR valid_product() [L206] tmp = valid_product() [L208] COND TRUE \read(tmp) [L210] FCALL setup() [L211] CALL runTest() [L192] CALL __utac_acc__Specification2_spec__1() [L86] RET methAndRunningLastTime = 0 [L192] __utac_acc__Specification2_spec__1() [L193] CALL test() [L872] int splverifierCounter ; [L873] int tmp ; [L874] int tmp___0 ; [L875] int tmp___1 ; [L876] int tmp___2 ; [L879] splverifierCounter = 0 Loop: [L881] COND TRUE 1 [L883] COND TRUE splverifierCounter < 4 [L889] tmp = __VERIFIER_nondet_int() [L891] COND FALSE !(\read(tmp)) [L899] tmp___0 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___0)) [L909] tmp___2 = __VERIFIER_nondet_int() [L911] COND TRUE \read(tmp___2) [L913] CALL startSystem() [L866] RET systemActive = 1 [L913] startSystem() [L926] CALL timeShift() [L700] COND FALSE !(\read(pumpRunning)) [L707] COND TRUE \read(systemActive) [L709] CALL processEnvironment() [L729] int tmp ; [L732] COND FALSE !(\read(pumpRunning)) [L747] RET, FCALL processEnvironment__wrappee__base() [L709] processEnvironment() [L715] CALL __utac_acc__Specification2_spec__2() [L91] int tmp ; [L92] int tmp___0 ; [L96] CALL, EXPR isMethaneLevelCritical() [L265] int retValue_acc ; [L268] retValue_acc = methaneLevelCritical [L269] RET return (retValue_acc); [L96] EXPR isMethaneLevelCritical() [L96] tmp = isMethaneLevelCritical() [L98] COND FALSE !(\read(tmp)) [L114] RET methAndRunningLastTime = 0 [L715] RET __utac_acc__Specification2_spec__2() [L926] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...