./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec9_product28_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec9_product28_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/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 669200e45e1afee8a0f15d0fcb8e259472bfb6db ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:09:53,156 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:09:53,157 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:09:53,165 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:09:53,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:09:53,165 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:09:53,166 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:09:53,167 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:09:53,168 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:09:53,169 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:09:53,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:09:53,170 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:09:53,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:09:53,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:09:53,171 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:09:53,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:09:53,172 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:09:53,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:09:53,175 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:09:53,176 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:09:53,177 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:09:53,177 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:09:53,179 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:09:53,179 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:09:53,179 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:09:53,180 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:09:53,180 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:09:53,181 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:09:53,181 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:09:53,182 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:09:53,182 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:09:53,183 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:09:53,183 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:09:53,183 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:09:53,184 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:09:53,184 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:09:53,184 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 15:09:53,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:09:53,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:09:53,194 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:09:53,194 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:09:53,194 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:09:53,195 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 15:09:53,195 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 15:09:53,195 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 15:09:53,195 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 15:09:53,195 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 15:09:53,195 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 15:09:53,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:09:53,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:09:53,196 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 15:09:53,196 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:09:53,196 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:09:53,196 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:09:53,196 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 15:09:53,196 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 15:09:53,196 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 15:09:53,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:09:53,197 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:09:53,197 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 15:09:53,197 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:09:53,197 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 15:09:53,197 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:09:53,197 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:09:53,197 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 15:09:53,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:09:53,198 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:09:53,198 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 15:09:53,198 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 15:09:53,199 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_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/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 -> 669200e45e1afee8a0f15d0fcb8e259472bfb6db [2018-11-23 15:09:53,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:09:53,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:09:53,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:09:53,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:09:53,235 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:09:53,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec9_product28_false-unreach-call_true-termination.cil.c [2018-11-23 15:09:53,273 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/data/85a105ccc/4416998967fa464f8fe0eec1f9fddb0d/FLAGce6044399 [2018-11-23 15:09:53,653 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:09:53,653 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/sv-benchmarks/c/product-lines/elevator_spec9_product28_false-unreach-call_true-termination.cil.c [2018-11-23 15:09:53,667 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/data/85a105ccc/4416998967fa464f8fe0eec1f9fddb0d/FLAGce6044399 [2018-11-23 15:09:53,679 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/data/85a105ccc/4416998967fa464f8fe0eec1f9fddb0d [2018-11-23 15:09:53,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:09:53,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:09:53,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:09:53,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:09:53,686 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:09:53,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:53" (1/1) ... [2018-11-23 15:09:53,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c28d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:53, skipping insertion in model container [2018-11-23 15:09:53,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:53" (1/1) ... [2018-11-23 15:09:53,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:09:53,736 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:09:54,123 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:09:54,131 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:09:54,198 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:09:54,228 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:09:54,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54 WrapperNode [2018-11-23 15:09:54,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:09:54,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:09:54,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:09:54,229 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:09:54,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... [2018-11-23 15:09:54,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... [2018-11-23 15:09:54,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:09:54,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:09:54,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:09:54,390 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:09:54,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... [2018-11-23 15:09:54,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... [2018-11-23 15:09:54,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... [2018-11-23 15:09:54,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... [2018-11-23 15:09:54,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... [2018-11-23 15:09:54,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... [2018-11-23 15:09:54,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... [2018-11-23 15:09:54,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:09:54,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:09:54,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:09:54,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:09:54,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/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 [2018-11-23 15:09:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:09:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 15:09:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:09:54,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:09:59,970 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:09:59,970 INFO L280 CfgBuilder]: Removed 1233 assue(true) statements. [2018-11-23 15:09:59,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:59 BoogieIcfgContainer [2018-11-23 15:09:59,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:09:59,971 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 15:09:59,971 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 15:09:59,974 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 15:09:59,975 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 15:09:59,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:09:53" (1/3) ... [2018-11-23 15:09:59,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6151c8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:09:59, skipping insertion in model container [2018-11-23 15:09:59,976 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 15:09:59,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54" (2/3) ... [2018-11-23 15:09:59,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6151c8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:09:59, skipping insertion in model container [2018-11-23 15:09:59,977 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 15:09:59,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:59" (3/3) ... [2018-11-23 15:09:59,978 INFO L375 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product28_false-unreach-call_true-termination.cil.c [2018-11-23 15:10:00,020 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:10:00,021 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 15:10:00,021 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 15:10:00,021 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 15:10:00,021 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:10:00,021 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:10:00,021 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 15:10:00,021 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:10:00,021 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 15:10:00,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5039 states. [2018-11-23 15:10:00,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2509 [2018-11-23 15:10:00,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 15:10:00,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 15:10:00,177 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:10:00,177 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] [2018-11-23 15:10:00,177 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 15:10:00,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5039 states. [2018-11-23 15:10:00,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2509 [2018-11-23 15:10:00,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 15:10:00,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 15:10:00,223 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:10:00,223 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] [2018-11-23 15:10:00,228 INFO L794 eck$LassoCheckResult]: Stem: 3172#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(10);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(91, #t~string57.base, #t~string57.offset, 1);call write~init~int(95, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(93, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(91, #t~string59.base, #t~string59.offset, 1);call write~init~int(93, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(5);call write~init~int(32, #t~string61.base, #t~string61.offset, 1);call write~init~int(97, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 4 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(105, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(10);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(117, #t~string67.base, #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(100, #t~string69.base, #t~string69.offset, 1);call write~init~int(111, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(119, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(7);call write~init~int(32, #t~string71.base, #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(76, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(95, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string73.base, #t~string73.offset, 1);call write~init~int(37, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(105, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string75.base, #t~string75.offset, 1);call write~init~int(37, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(105, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string77.base, #t~string77.offset, 1);call write~init~int(37, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(105, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string79.base, #t~string79.offset, 1);call write~init~int(37, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(105, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string81.base, #t~string81.offset, 1);call write~init~int(37, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(105, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 3 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(6);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(70, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(95, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(112, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(58, #t~string83.base, 4 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 5 + #t~string83.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(37, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 3 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string100.base, #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 1 + #t~string100.offset, 1);call #t~string103.base, #t~string103.offset := #Ultimate.alloc(9);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(30);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(9);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(21);call #t~string127.base, #t~string127.offset := #Ultimate.alloc(30);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(9);call #t~string129.base, #t~string129.offset := #Ultimate.alloc(21);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(30);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(9);call #t~string135.base, #t~string135.offset := #Ultimate.alloc(25);call #t~string136.base, #t~string136.offset := #Ultimate.alloc(30);call #t~string137.base, #t~string137.offset := #Ultimate.alloc(9);call #t~string138.base, #t~string138.offset := #Ultimate.alloc(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0; 4153#L-1true havoc main_#res;havoc main_#t~ret157, main_~retValue_acc~29, main_~tmp~27;havoc main_~retValue_acc~29;havoc main_~tmp~27; 1895#L853true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 249#L861true main_#t~ret157 := valid_product_#res;main_~tmp~27 := main_#t~ret157;havoc main_#t~ret157; 597#L3338true assume 0 != main_~tmp~27; 2247#L3312true ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 3413#L2855true havoc bigMacCall_#t~ret150, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 938#L753true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 869#L778true bigMacCall_#t~ret150 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret150;havoc bigMacCall_#t~ret150;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 1292#L399true assume 0 == initPersonOnFloor_~floor; 986#L400true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 193#L507-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 4535#L191true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 2801#L203-2true havoc cleanup_#t~ret151, cleanup_#t~ret152, cleanup_~i~1, cleanup_~tmp~25, cleanup_~tmp___0~9, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~9;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 664#L1137true timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 2146#L2080true assume 0 != timeShift_~tmp~12; 2314#L2081true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 668#L1753-11true havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 72#L1128-6true __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 1597#L1188-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 749#L1220-12true __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 688#L2898true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~5;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4052#L2908-1true cleanup_~i~1 := 0; 379#L3144-2true [2018-11-23 15:10:00,228 INFO L796 eck$LassoCheckResult]: Loop: 379#L3144-2true assume !false; 360#L3145true cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 277#L3148true assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 201#L950true cleanup_#t~ret151 := isBlocked_#res;cleanup_~tmp___0~9 := cleanup_#t~ret151;havoc cleanup_#t~ret151; 207#L3152true assume 1 != cleanup_~tmp___0~9; 209#L3152-1true havoc isIdle_#res;havoc isIdle_#t~ret9, isIdle_~retValue_acc~15, isIdle_~tmp~4;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret4, anyStopRequested_#t~ret5, anyStopRequested_#t~ret6, anyStopRequested_#t~ret7, anyStopRequested_#t~ret8, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1718#L128-50true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 219#L155-50true anyStopRequested_#t~ret4 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret4;havoc anyStopRequested_#t~ret4; 4127#L1236true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 153#L1300true isIdle_#t~ret9 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret9;havoc isIdle_#t~ret9;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 674#L1313true cleanup_#t~ret152 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret152;havoc cleanup_#t~ret152; 505#L3164true assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 667#L1137-2true timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 2145#L2080-1true assume 0 != timeShift_~tmp~12; 2317#L2081-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 654#L1753-23true havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 64#L1128-13true __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 1566#L1188-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 728#L1220-25true __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 691#L2898-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~5;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4029#L2908-3true cleanup_~i~1 := 1 + cleanup_~i~1; 379#L3144-2true [2018-11-23 15:10:00,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:10:00,233 INFO L82 PathProgramCache]: Analyzing trace with hash 235059287, now seen corresponding path program 1 times [2018-11-23 15:10:00,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:10:00,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:10:00,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:00,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:10:00,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:00,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:10:00,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:10:00,409 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 15:10:00,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:10:00,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2025712606, now seen corresponding path program 1 times [2018-11-23 15:10:00,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:10:00,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:10:00,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:00,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:10:00,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:00,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:10:00,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:10:00,457 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 15:10:00,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:10:00,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:10:00,475 INFO L87 Difference]: Start difference. First operand 5039 states. Second operand 4 states. [2018-11-23 15:10:01,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:10:01,220 INFO L93 Difference]: Finished difference Result 13293 states and 25069 transitions. [2018-11-23 15:10:01,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 15:10:01,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13293 states and 25069 transitions. [2018-11-23 15:10:01,305 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9073 [2018-11-23 15:10:01,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13293 states to 13251 states and 25020 transitions. [2018-11-23 15:10:01,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13251 [2018-11-23 15:10:01,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13251 [2018-11-23 15:10:01,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13251 states and 25020 transitions. [2018-11-23 15:10:01,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 15:10:01,429 INFO L705 BuchiCegarLoop]: Abstraction has 13251 states and 25020 transitions. [2018-11-23 15:10:01,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13251 states and 25020 transitions. [2018-11-23 15:10:01,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13251 to 5029. [2018-11-23 15:10:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5029 states. [2018-11-23 15:10:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5029 states to 5029 states and 9482 transitions. [2018-11-23 15:10:01,599 INFO L728 BuchiCegarLoop]: Abstraction has 5029 states and 9482 transitions. [2018-11-23 15:10:01,599 INFO L608 BuchiCegarLoop]: Abstraction has 5029 states and 9482 transitions. [2018-11-23 15:10:01,599 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 15:10:01,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5029 states and 9482 transitions. [2018-11-23 15:10:01,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2511 [2018-11-23 15:10:01,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 15:10:01,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 15:10:01,621 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:10:01,621 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, 1, 1] [2018-11-23 15:10:01,621 INFO L794 eck$LassoCheckResult]: Stem: 22189#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(10);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(91, #t~string57.base, #t~string57.offset, 1);call write~init~int(95, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(93, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(91, #t~string59.base, #t~string59.offset, 1);call write~init~int(93, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(5);call write~init~int(32, #t~string61.base, #t~string61.offset, 1);call write~init~int(97, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 4 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(105, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(10);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(117, #t~string67.base, #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(100, #t~string69.base, #t~string69.offset, 1);call write~init~int(111, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(119, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(7);call write~init~int(32, #t~string71.base, #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(76, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(95, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string73.base, #t~string73.offset, 1);call write~init~int(37, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(105, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string75.base, #t~string75.offset, 1);call write~init~int(37, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(105, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string77.base, #t~string77.offset, 1);call write~init~int(37, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(105, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string79.base, #t~string79.offset, 1);call write~init~int(37, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(105, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string81.base, #t~string81.offset, 1);call write~init~int(37, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(105, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 3 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(6);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(70, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(95, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(112, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(58, #t~string83.base, 4 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 5 + #t~string83.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(37, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 3 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string100.base, #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 1 + #t~string100.offset, 1);call #t~string103.base, #t~string103.offset := #Ultimate.alloc(9);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(30);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(9);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(21);call #t~string127.base, #t~string127.offset := #Ultimate.alloc(30);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(9);call #t~string129.base, #t~string129.offset := #Ultimate.alloc(21);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(30);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(9);call #t~string135.base, #t~string135.offset := #Ultimate.alloc(25);call #t~string136.base, #t~string136.offset := #Ultimate.alloc(30);call #t~string137.base, #t~string137.offset := #Ultimate.alloc(9);call #t~string138.base, #t~string138.offset := #Ultimate.alloc(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0; 22190#L-1 havoc main_#res;havoc main_#t~ret157, main_~retValue_acc~29, main_~tmp~27;havoc main_~retValue_acc~29;havoc main_~tmp~27; 20972#L853 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 18822#L861 main_#t~ret157 := valid_product_#res;main_~tmp~27 := main_#t~ret157;havoc main_#t~ret157; 18823#L3338 assume 0 != main_~tmp~27; 19458#L3312 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 21296#L2855 havoc bigMacCall_#t~ret150, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 19813#L753 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 18829#L778 bigMacCall_#t~ret150 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret150;havoc bigMacCall_#t~ret150;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 19747#L399 assume 0 == initPersonOnFloor_~floor; 19909#L400 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 18361#L507-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 18733#L191 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 21799#L203-2 havoc cleanup_#t~ret151, cleanup_#t~ret152, cleanup_~i~1, cleanup_~tmp~25, cleanup_~tmp___0~9, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~9;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 19540#L1137 timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 19541#L2080 assume 0 != timeShift_~tmp~12; 21244#L2081 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 19547#L1753-11 havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 18496#L1128-6 __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 18497#L1188-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 19097#L1220-12 __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 19566#L2898 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 19544#L1137-1 __utac_acc__Specification9_spec__3_#t~ret143 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret143;havoc __utac_acc__Specification9_spec__3_#t~ret143; 19545#L2908 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8); 21795#L2908-1 cleanup_~i~1 := 0; 19028#L3144-2 [2018-11-23 15:10:01,622 INFO L796 eck$LassoCheckResult]: Loop: 19028#L3144-2 assume !false; 19009#L3145 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 18866#L3148 assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 18751#L950 cleanup_#t~ret151 := isBlocked_#res;cleanup_~tmp___0~9 := cleanup_#t~ret151;havoc cleanup_#t~ret151; 18752#L3152 assume 1 != cleanup_~tmp___0~9; 18764#L3152-1 havoc isIdle_#res;havoc isIdle_#t~ret9, isIdle_~retValue_acc~15, isIdle_~tmp~4;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret4, anyStopRequested_#t~ret5, anyStopRequested_#t~ret6, anyStopRequested_#t~ret7, anyStopRequested_#t~ret8, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 18767#L128-50 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 18783#L155-50 anyStopRequested_#t~ret4 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret4;havoc anyStopRequested_#t~ret4; 18784#L1236 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 18657#L1300 isIdle_#t~ret9 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret9;havoc isIdle_#t~ret9;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 18658#L1313 cleanup_#t~ret152 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret152;havoc cleanup_#t~ret152; 19263#L3164 assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 19264#L1137-2 timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 19546#L2080-1 assume 0 != timeShift_~tmp~12; 21243#L2081-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 19524#L1753-23 havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 18475#L1128-13 __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 18476#L1188-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 19056#L1220-25 __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 19569#L2898-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 19522#L1137-3 __utac_acc__Specification9_spec__3_#t~ret143 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret143;havoc __utac_acc__Specification9_spec__3_#t~ret143; 19523#L2908-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8); 21788#L2908-3 cleanup_~i~1 := 1 + cleanup_~i~1; 19028#L3144-2 [2018-11-23 15:10:01,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:10:01,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1740912844, now seen corresponding path program 1 times [2018-11-23 15:10:01,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:10:01,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:10:01,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:01,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:10:01,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:01,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:01,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:10:01,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:10:01,671 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 15:10:01,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:10:01,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1090392987, now seen corresponding path program 1 times [2018-11-23 15:10:01,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:10:01,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:10:01,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:01,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:10:01,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:01,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:10:01,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:10:01,729 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 15:10:01,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:10:01,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:10:01,730 INFO L87 Difference]: Start difference. First operand 5029 states and 9482 transitions. cyclomatic complexity: 4454 Second operand 7 states. [2018-11-23 15:10:02,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:10:02,228 INFO L93 Difference]: Finished difference Result 8306 states and 15521 transitions. [2018-11-23 15:10:02,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 15:10:02,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8306 states and 15521 transitions. [2018-11-23 15:10:02,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6659 [2018-11-23 15:10:02,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8306 states to 8306 states and 15521 transitions. [2018-11-23 15:10:02,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8306 [2018-11-23 15:10:02,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8306 [2018-11-23 15:10:02,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8306 states and 15521 transitions. [2018-11-23 15:10:02,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 15:10:02,291 INFO L705 BuchiCegarLoop]: Abstraction has 8306 states and 15521 transitions. [2018-11-23 15:10:02,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8306 states and 15521 transitions. [2018-11-23 15:10:02,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8306 to 4497. [2018-11-23 15:10:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4497 states. [2018-11-23 15:10:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 4497 states and 8443 transitions. [2018-11-23 15:10:02,347 INFO L728 BuchiCegarLoop]: Abstraction has 4497 states and 8443 transitions. [2018-11-23 15:10:02,347 INFO L608 BuchiCegarLoop]: Abstraction has 4497 states and 8443 transitions. [2018-11-23 15:10:02,347 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 15:10:02,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4497 states and 8443 transitions. [2018-11-23 15:10:02,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2879 [2018-11-23 15:10:02,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 15:10:02,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 15:10:02,358 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:10:02,358 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, 1, 1, 1, 1] [2018-11-23 15:10:02,359 INFO L794 eck$LassoCheckResult]: Stem: 34745#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(10);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(91, #t~string57.base, #t~string57.offset, 1);call write~init~int(95, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(93, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(91, #t~string59.base, #t~string59.offset, 1);call write~init~int(93, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(5);call write~init~int(32, #t~string61.base, #t~string61.offset, 1);call write~init~int(97, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 4 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(105, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(10);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(117, #t~string67.base, #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(100, #t~string69.base, #t~string69.offset, 1);call write~init~int(111, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(119, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(7);call write~init~int(32, #t~string71.base, #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(76, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(95, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string73.base, #t~string73.offset, 1);call write~init~int(37, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(105, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string75.base, #t~string75.offset, 1);call write~init~int(37, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(105, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string77.base, #t~string77.offset, 1);call write~init~int(37, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(105, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string79.base, #t~string79.offset, 1);call write~init~int(37, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(105, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string81.base, #t~string81.offset, 1);call write~init~int(37, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(105, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 3 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(6);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(70, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(95, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(112, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(58, #t~string83.base, 4 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 5 + #t~string83.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(37, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 3 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string100.base, #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 1 + #t~string100.offset, 1);call #t~string103.base, #t~string103.offset := #Ultimate.alloc(9);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(30);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(9);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(21);call #t~string127.base, #t~string127.offset := #Ultimate.alloc(30);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(9);call #t~string129.base, #t~string129.offset := #Ultimate.alloc(21);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(30);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(9);call #t~string135.base, #t~string135.offset := #Ultimate.alloc(25);call #t~string136.base, #t~string136.offset := #Ultimate.alloc(30);call #t~string137.base, #t~string137.offset := #Ultimate.alloc(9);call #t~string138.base, #t~string138.offset := #Ultimate.alloc(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0; 34746#L-1 havoc main_#res;havoc main_#t~ret157, main_~retValue_acc~29, main_~tmp~27;havoc main_~retValue_acc~29;havoc main_~tmp~27; 33772#L853 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 32110#L861 main_#t~ret157 := valid_product_#res;main_~tmp~27 := main_#t~ret157;havoc main_#t~ret157; 32111#L3338 assume 0 != main_~tmp~27; 32577#L3312 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 34031#L2855 havoc bigMacCall_#t~ret150, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 32878#L753 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 32113#L778 bigMacCall_#t~ret150 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret150;havoc bigMacCall_#t~ret150;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 32794#L399 assume 0 == initPersonOnFloor_~floor; 32965#L400 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 31734#L507-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 32043#L191 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 34435#L203-2 havoc cleanup_#t~ret151, cleanup_#t~ret152, cleanup_~i~1, cleanup_~tmp~25, cleanup_~tmp___0~9, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~9;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 32636#L1137 timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 32637#L2080 assume 0 != timeShift_~tmp~12; 33984#L2081 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 32641#L1753-11 havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 31852#L1128-6 __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 31853#L1188-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 32302#L1220-12 __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 32658#L2898 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 32638#L1137-1 __utac_acc__Specification9_spec__3_#t~ret143 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret143;havoc __utac_acc__Specification9_spec__3_#t~ret143; 32639#L2908 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~8; 35300#L2909 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 35170#L2910 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 34432#L2908-1 cleanup_~i~1 := 0; 35280#L3144-2 [2018-11-23 15:10:02,359 INFO L796 eck$LassoCheckResult]: Loop: 35280#L3144-2 assume !false; 35757#L3145 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 35756#L3148 assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 35755#L950 cleanup_#t~ret151 := isBlocked_#res;cleanup_~tmp___0~9 := cleanup_#t~ret151;havoc cleanup_#t~ret151; 35754#L3152 assume 1 != cleanup_~tmp___0~9; 35753#L3152-1 havoc isIdle_#res;havoc isIdle_#t~ret9, isIdle_~retValue_acc~15, isIdle_~tmp~4;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret4, anyStopRequested_#t~ret5, anyStopRequested_#t~ret6, anyStopRequested_#t~ret7, anyStopRequested_#t~ret8, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 35747#L128-50 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 35742#L155-50 anyStopRequested_#t~ret4 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret4;havoc anyStopRequested_#t~ret4; 35732#L1236 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 35727#L1300 isIdle_#t~ret9 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret9;havoc isIdle_#t~ret9;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 35726#L1313 cleanup_#t~ret152 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret152;havoc cleanup_#t~ret152; 35725#L3164 assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 35724#L1137-2 timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 33982#L2080-1 assume 0 != timeShift_~tmp~12; 33983#L2081-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 32626#L1753-23 havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 31838#L1128-13 __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 31839#L1188-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 32973#L1220-25 __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 32661#L2898-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 32624#L1137-3 __utac_acc__Specification9_spec__3_#t~ret143 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret143;havoc __utac_acc__Specification9_spec__3_#t~ret143; 32625#L2908-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~8; 35302#L2909-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 35353#L2910-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 35279#L2908-3 cleanup_~i~1 := 1 + cleanup_~i~1; 35280#L3144-2 [2018-11-23 15:10:02,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:10:02,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2018478799, now seen corresponding path program 1 times [2018-11-23 15:10:02,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:10:02,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:10:02,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:02,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:10:02,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:02,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:10:02,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:10:02,409 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 15:10:02,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:10:02,409 INFO L82 PathProgramCache]: Analyzing trace with hash -105498602, now seen corresponding path program 1 times [2018-11-23 15:10:02,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:10:02,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:10:02,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:02,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:10:02,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:10:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:10:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:10:02,592 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2018-11-23 15:10:02,667 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:10:02,668 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:10:02,668 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:10:02,668 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:10:02,669 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 15:10:02,669 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:10:02,669 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:10:02,669 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:10:02,669 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product28_false-unreach-call_true-termination.cil.c_Iteration3_Loop [2018-11-23 15:10:02,669 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:10:02,669 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:10:02,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:02,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:03,030 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:10:03,031 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:10:03,035 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 15:10:03,035 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb5cd8da-23c3-42c9-a22f-7065f4a05fed/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:10:03,069 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 15:10:03,069 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 15:10:15,090 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 15:10:15,093 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:10:15,093 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:10:15,093 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:10:15,093 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:10:15,093 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 15:10:15,093 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:10:15,093 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:10:15,093 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:10:15,093 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product28_false-unreach-call_true-termination.cil.c_Iteration3_Loop [2018-11-23 15:10:15,093 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:10:15,093 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:10:15,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:10:15,365 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:10:15,368 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 15:10:15,369 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:10:15,371 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:10:15,371 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:10:15,371 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:10:15,371 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 15:10:15,372 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:10:15,373 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:10:15,374 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:10:15,383 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:10:15,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:10:15,384 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:10:15,384 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:10:15,387 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:10:15,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:10:15,387 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:10:15,387 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:10:15,388 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:10:15,389 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:10:15,389 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:10:15,390 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:10:15,390 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:10:15,390 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:10:15,390 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 15:10:15,390 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:10:15,392 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:10:15,392 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:10:15,398 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:10:15,398 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:10:15,398 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:10:15,398 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:10:15,399 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:10:15,399 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 15:10:15,399 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:10:15,402 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:10:15,403 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:10:15,408 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:10:15,409 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:10:15,409 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:10:15,409 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:10:15,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:10:15,410 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:10:15,410 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:10:15,410 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:10:15,410 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:10:15,411 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:10:15,411 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:10:15,411 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:10:15,412 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:10:15,416 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:10:15,416 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:10:15,416 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:10:15,416 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:10:15,417 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:10:15,417 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:10:15,418 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:10:15,418 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:10:15,418 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:10:15,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:10:15,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:10:15,418 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:10:15,419 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:10:15,419 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:10:15,419 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:10:15,420 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:10:15,423 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:10:15,423 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:10:15,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:10:15,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:10:15,424 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:10:15,424 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:10:15,424 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:10:15,426 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:10:15,427 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:10:15,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:10:15,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:10:15,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:10:15,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:10:15,428 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:10:15,432 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:10:15,432 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:10:15,436 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 15:10:15,442 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-23 15:10:15,442 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 15:10:15,444 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 15:10:15,444 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 15:10:15,445 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 15:10:15,445 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~1) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~1 Supporting invariants [] [2018-11-23 15:10:15,446 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 15:10:15,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:10:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:15,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:10:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:10:15,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:10:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:10:15,665 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-23 15:10:15,666 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4497 states and 8443 transitions. cyclomatic complexity: 3947 Second operand 5 states. [2018-11-23 15:10:16,096 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4497 states and 8443 transitions. cyclomatic complexity: 3947. Second operand 5 states. Result 7376 states and 13851 transitions. Complement of second has 8 states. [2018-11-23 15:10:16,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-23 15:10:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 15:10:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7177 transitions. [2018-11-23 15:10:16,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7177 transitions. Stem has 27 letters. Loop has 25 letters. [2018-11-23 15:10:16,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 15:10:16,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7177 transitions. Stem has 52 letters. Loop has 25 letters. [2018-11-23 15:10:16,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 15:10:16,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7177 transitions. Stem has 27 letters. Loop has 50 letters. [2018-11-23 15:10:16,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 15:10:16,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7376 states and 13851 transitions. [2018-11-23 15:10:16,140 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 15:10:16,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7376 states to 0 states and 0 transitions. [2018-11-23 15:10:16,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 15:10:16,140 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 15:10:16,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 15:10:16,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 15:10:16,141 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:10:16,141 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:10:16,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:10:16,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:10:16,141 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-23 15:10:16,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:10:16,141 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 15:10:16,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:10:16,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-23 15:10:16,142 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 15:10:16,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:10:16,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 15:10:16,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 15:10:16,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 15:10:16,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 15:10:16,142 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:10:16,142 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:10:16,142 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:10:16,142 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-23 15:10:16,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:10:16,142 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 15:10:16,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 15:10:16,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:10:16 BoogieIcfgContainer [2018-11-23 15:10:16,148 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 15:10:16,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:10:16,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:10:16,148 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:10:16,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:59" (3/4) ... [2018-11-23 15:10:16,152 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 15:10:16,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:10:16,152 INFO L168 Benchmark]: Toolchain (without parser) took 22470.75 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 679.0 MB). Free memory was 955.5 MB in the beginning and 1.4 GB in the end (delta: -494.4 MB). Peak memory consumption was 184.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:10:16,153 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:10:16,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:10:16,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.25 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:10:16,155 INFO L168 Benchmark]: Boogie Preprocessor took 152.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:10:16,155 INFO L168 Benchmark]: RCFGBuilder took 5427.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -160.3 MB). Peak memory consumption was 313.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:10:16,156 INFO L168 Benchmark]: BuchiAutomizer took 16177.04 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 231.7 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -276.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:10:16,156 INFO L168 Benchmark]: Witness Printer took 3.56 ms. Allocated memory is still 1.7 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:10:16,159 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 545.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 161.25 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 152.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5427.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -160.3 MB). Peak memory consumption was 313.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 16177.04 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 231.7 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -276.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.56 ms. Allocated memory is still 1.7 GB. Free memory is still 1.4 GB. There was no memory consumed. 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 13.4s. Construction of modules took 0.5s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 12031 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had 5029 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31375 SDtfs, 60377 SDslu, 70745 SDs, 0 SdLazy, 267 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital121 mio100 ax100 hnf100 lsp14 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...