./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product20_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product20_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/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 269b1dcd66966187dec0c4d9b8b9f0d4a847c7a1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:46:01,707 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:46:01,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:46:01,717 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:46:01,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:46:01,718 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:46:01,719 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:46:01,720 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:46:01,721 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:46:01,722 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:46:01,723 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:46:01,723 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:46:01,724 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:46:01,724 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:46:01,725 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:46:01,726 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:46:01,726 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:46:01,727 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:46:01,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:46:01,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:46:01,730 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:46:01,731 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:46:01,733 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:46:01,733 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:46:01,733 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:46:01,734 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:46:01,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:46:01,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:46:01,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:46:01,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:46:01,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:46:01,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:46:01,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:46:01,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:46:01,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:46:01,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:46:01,739 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:46:01,749 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:46:01,749 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:46:01,750 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:46:01,750 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:46:01,751 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:46:01,751 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:46:01,751 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:46:01,751 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:46:01,751 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:46:01,751 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:46:01,751 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:46:01,752 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:46:01,752 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:46:01,752 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:46:01,752 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:46:01,752 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:46:01,752 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:46:01,752 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:46:01,753 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:46:01,753 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:46:01,753 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:46:01,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:46:01,753 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:46:01,753 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:46:01,753 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:46:01,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:46:01,754 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:46:01,754 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:46:01,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:46:01,754 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:46:01,754 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:46:01,755 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:46:01,755 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_046dd46d-5e66-441f-a58e-244cca65acf2/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 -> 269b1dcd66966187dec0c4d9b8b9f0d4a847c7a1 [2018-11-18 14:46:01,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:46:01,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:46:01,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:46:01,794 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:46:01,794 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:46:01,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec2_product20_false-unreach-call_true-termination.cil.c [2018-11-18 14:46:01,838 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/data/9bb8a1d88/86765e84cbaa4feda428f8abaef2fd0c/FLAGd514421b3 [2018-11-18 14:46:02,242 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:46:02,242 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/sv-benchmarks/c/product-lines/elevator_spec2_product20_false-unreach-call_true-termination.cil.c [2018-11-18 14:46:02,255 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/data/9bb8a1d88/86765e84cbaa4feda428f8abaef2fd0c/FLAGd514421b3 [2018-11-18 14:46:02,263 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/data/9bb8a1d88/86765e84cbaa4feda428f8abaef2fd0c [2018-11-18 14:46:02,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:46:02,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:46:02,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:46:02,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:46:02,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:46:02,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:02,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287b64ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02, skipping insertion in model container [2018-11-18 14:46:02,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:02,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:46:02,319 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:46:02,646 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:46:02,655 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:46:02,792 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:46:02,833 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:46:02,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02 WrapperNode [2018-11-18 14:46:02,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:46:02,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:46:02,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:46:02,834 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:46:02,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:02,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:02,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:46:02,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:46:03,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:46:03,000 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:46:03,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:03,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:03,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:03,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:03,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:03,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:03,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... [2018-11-18 14:46:03,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:46:03,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:46:03,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:46:03,176 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:46:03,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:46:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:46:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:46:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:46:09,173 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:46:09,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:46:09 BoogieIcfgContainer [2018-11-18 14:46:09,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:46:09,174 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:46:09,174 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:46:09,176 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:46:09,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:46:09,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:46:02" (1/3) ... [2018-11-18 14:46:09,178 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25f0ee21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:46:09, skipping insertion in model container [2018-11-18 14:46:09,178 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:46:09,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:46:02" (2/3) ... [2018-11-18 14:46:09,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25f0ee21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:46:09, skipping insertion in model container [2018-11-18 14:46:09,179 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:46:09,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:46:09" (3/3) ... [2018-11-18 14:46:09,180 INFO L375 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product20_false-unreach-call_true-termination.cil.c [2018-11-18 14:46:09,215 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:46:09,216 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:46:09,216 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:46:09,216 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:46:09,216 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:46:09,216 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:46:09,216 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:46:09,216 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:46:09,216 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:46:09,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4958 states. [2018-11-18 14:46:09,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2463 [2018-11-18 14:46:09,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:46:09,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:46:09,378 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, 1] [2018-11-18 14:46:09,378 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] [2018-11-18 14:46:09,378 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:46:09,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4958 states. [2018-11-18 14:46:09,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2463 [2018-11-18 14:46:09,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:46:09,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:46:09,426 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, 1] [2018-11-18 14:46:09,426 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] [2018-11-18 14:46:09,432 INFO L794 eck$LassoCheckResult]: Stem: 2753#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(10);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 91];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 95];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 93];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 91];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 93];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 97];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 37];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 105];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(10);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 117];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 112];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 100];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 111];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 119];#memory_int := #memory_int[#t~string73.base,3 + #t~string73.offset := 110];#memory_int := #memory_int[#t~string73.base,4 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 32];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.offset := 73];#memory_int := #memory_int[#t~string75.base,2 + #t~string75.offset := 76];#memory_int := #memory_int[#t~string75.base,3 + #t~string75.offset := 95];#memory_int := #memory_int[#t~string75.base,4 + #t~string75.offset := 112];#memory_int := #memory_int[#t~string75.base,5 + #t~string75.offset := 58];#memory_int := #memory_int[#t~string75.base,6 + #t~string75.offset := 0];call #t~string77.base, #t~string77.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string77.base,#t~string77.offset := 32];#memory_int := #memory_int[#t~string77.base,1 + #t~string77.offset := 37];#memory_int := #memory_int[#t~string77.base,2 + #t~string77.offset := 105];#memory_int := #memory_int[#t~string77.base,3 + #t~string77.offset := 0];call #t~string79.base, #t~string79.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string79.base,#t~string79.offset := 32];#memory_int := #memory_int[#t~string79.base,1 + #t~string79.offset := 37];#memory_int := #memory_int[#t~string79.base,2 + #t~string79.offset := 105];#memory_int := #memory_int[#t~string79.base,3 + #t~string79.offset := 0];call #t~string81.base, #t~string81.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string81.base,#t~string81.offset := 32];#memory_int := #memory_int[#t~string81.base,1 + #t~string81.offset := 37];#memory_int := #memory_int[#t~string81.base,2 + #t~string81.offset := 105];#memory_int := #memory_int[#t~string81.base,3 + #t~string81.offset := 0];call #t~string83.base, #t~string83.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string83.base,#t~string83.offset := 32];#memory_int := #memory_int[#t~string83.base,1 + #t~string83.offset := 37];#memory_int := #memory_int[#t~string83.base,2 + #t~string83.offset := 105];#memory_int := #memory_int[#t~string83.base,3 + #t~string83.offset := 0];call #t~string85.base, #t~string85.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string85.base,#t~string85.offset := 32];#memory_int := #memory_int[#t~string85.base,1 + #t~string85.offset := 37];#memory_int := #memory_int[#t~string85.base,2 + #t~string85.offset := 105];#memory_int := #memory_int[#t~string85.base,3 + #t~string85.offset := 0];call #t~string87.base, #t~string87.offset := #Ultimate.alloc(6);#memory_int := #memory_int[#t~string87.base,#t~string87.offset := 32];#memory_int := #memory_int[#t~string87.base,1 + #t~string87.offset := 70];#memory_int := #memory_int[#t~string87.base,2 + #t~string87.offset := 95];#memory_int := #memory_int[#t~string87.base,3 + #t~string87.offset := 112];#memory_int := #memory_int[#t~string87.base,4 + #t~string87.offset := 58];#memory_int := #memory_int[#t~string87.base,5 + #t~string87.offset := 0];call #t~string90.base, #t~string90.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string90.base,#t~string90.offset := 32];#memory_int := #memory_int[#t~string90.base,1 + #t~string90.offset := 37];#memory_int := #memory_int[#t~string90.base,2 + #t~string90.offset := 105];#memory_int := #memory_int[#t~string90.base,3 + #t~string90.offset := 0];call #t~string93.base, #t~string93.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string93.base,#t~string93.offset := 32];#memory_int := #memory_int[#t~string93.base,1 + #t~string93.offset := 37];#memory_int := #memory_int[#t~string93.base,2 + #t~string93.offset := 105];#memory_int := #memory_int[#t~string93.base,3 + #t~string93.offset := 0];call #t~string96.base, #t~string96.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string96.base,#t~string96.offset := 32];#memory_int := #memory_int[#t~string96.base,1 + #t~string96.offset := 37];#memory_int := #memory_int[#t~string96.base,2 + #t~string96.offset := 105];#memory_int := #memory_int[#t~string96.base,3 + #t~string96.offset := 0];call #t~string99.base, #t~string99.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string99.base,#t~string99.offset := 32];#memory_int := #memory_int[#t~string99.base,1 + #t~string99.offset := 37];#memory_int := #memory_int[#t~string99.base,2 + #t~string99.offset := 105];#memory_int := #memory_int[#t~string99.base,3 + #t~string99.offset := 0];call #t~string102.base, #t~string102.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string102.base,#t~string102.offset := 32];#memory_int := #memory_int[#t~string102.base,1 + #t~string102.offset := 37];#memory_int := #memory_int[#t~string102.base,2 + #t~string102.offset := 105];#memory_int := #memory_int[#t~string102.base,3 + #t~string102.offset := 0];call #t~string104.base, #t~string104.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string104.base,#t~string104.offset := 10];#memory_int := #memory_int[#t~string104.base,1 + #t~string104.offset := 0];call #t~string107.base, #t~string107.offset := #Ultimate.alloc(9);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(30);call #t~string129.base, #t~string129.offset := #Ultimate.alloc(9);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(21);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(30);call #t~string132.base, #t~string132.offset := #Ultimate.alloc(9);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(21);call #t~string137.base, #t~string137.offset := #Ultimate.alloc(30);call #t~string138.base, #t~string138.offset := #Ultimate.alloc(9);call #t~string139.base, #t~string139.offset := #Ultimate.alloc(25);call #t~string140.base, #t~string140.offset := #Ultimate.alloc(30);call #t~string141.base, #t~string141.offset := #Ultimate.alloc(9);call #t~string142.base, #t~string142.offset := #Ultimate.alloc(25);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0; 3826#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret165, main_~retValue_acc~26, main_~tmp~28;havoc main_~retValue_acc~26;havoc main_~tmp~28;assume { :begin_inline_select_helpers } true; 1294#L2891true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 425#L2884true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 679#L2899true main_#t~ret165 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~28 := main_#t~ret165;havoc main_#t~ret165; 1416#L3333true assume 0 != main_~tmp~28;assume { :begin_inline_setup } true; 1534#L3308true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1813#L60true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret158, bigMacCall_~tmp~25;havoc bigMacCall_~tmp~25;assume { :begin_inline_getOrigin } true;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~28;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~28; 1618#L3390true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~28 := 4;getOrigin_#res := getOrigin_~retValue_acc~28; 182#L3415true bigMacCall_#t~ret158 := getOrigin_#res;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~25 := bigMacCall_#t~ret158;havoc bigMacCall_#t~ret158;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~25;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 844#L2544true assume 0 == initPersonOnFloor_~floor; 797#L2545true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 4662#L2652-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 1541#L2336true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 1918#L2348-2true assume { :end_inline_callOnFloor } true; 1552#L2688true assume { :end_inline_initPersonOnFloor } true; 3392#L3113true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret159, cleanup_#t~ret160, cleanup_~i~3, cleanup_~tmp~26, cleanup_~tmp___0~11, cleanup_~__cil_tmp4~2;havoc cleanup_~i~3;havoc cleanup_~tmp~26;havoc cleanup_~tmp___0~11;havoc cleanup_~__cil_tmp4~2;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58, timeShift_~tmp~12;havoc timeShift_~tmp~12;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 3003#L479true timeShift_#t~ret58 := areDoorsOpen_#res;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~12 := timeShift_#t~ret58;havoc timeShift_#t~ret58; 4492#L1421true assume 0 != timeShift_~tmp~12; 4396#L1422true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4494#L1421-1true assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 3443#L470-6true __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 2824#L105true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 2808#L106true assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 2984#L479-1true __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 2759#L110true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 1079#L165true assume { :end_inline___utac_acc__Specification2_spec__3 } true; 3463#L1439true assume { :end_inline_timeShift } true;cleanup_~i~3 := 0; 1976#L3140-3true [2018-11-18 14:46:09,433 INFO L796 eck$LassoCheckResult]: Loop: 1976#L3140-3true assume true; 1972#L3140-1true assume !false; 1909#L3141true cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 508#L3144true assume cleanup_~i~3 < cleanup_~__cil_tmp4~2;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~0;havoc isBlocked_~retValue_acc~0;isBlocked_~retValue_acc~0 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~0; 1533#L313true cleanup_#t~ret159 := isBlocked_#res;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~11 := cleanup_#t~ret159;havoc cleanup_#t~ret159; 336#L3148true assume 1 != cleanup_~tmp___0~11; 338#L3148-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res;havoc isIdle_#t~ret13, isIdle_~retValue_acc~7, isIdle_~tmp~4;havoc isIdle_~retValue_acc~7;havoc isIdle_~tmp~4;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret8, anyStopRequested_#t~ret9, anyStopRequested_#t~ret10, anyStopRequested_#t~ret11, anyStopRequested_#t~ret12, anyStopRequested_~retValue_acc~6, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~1, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~6;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~1;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~20;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~20; 1282#L2273-50true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~20 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~20; 4700#L2300-50true anyStopRequested_#t~ret8 := isFloorCalling_#res;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret8;havoc anyStopRequested_#t~ret8; 1527#L578true assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~6 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~6; 2295#L642true isIdle_#t~ret13 := anyStopRequested_#res;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~4 := isIdle_#t~ret13;havoc isIdle_#t~ret13;isIdle_~retValue_acc~7 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~7; 3009#L655true cleanup_#t~ret160 := isIdle_#res;assume { :end_inline_isIdle } true;cleanup_~tmp~26 := cleanup_#t~ret160;havoc cleanup_#t~ret160; 1076#L3160true assume !(0 != cleanup_~tmp~26);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58, timeShift_~tmp~12;havoc timeShift_~tmp~12;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 2973#L479-6true timeShift_#t~ret58 := areDoorsOpen_#res;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~12 := timeShift_#t~ret58;havoc timeShift_#t~ret58; 4495#L1421-2true assume 0 != timeShift_~tmp~12; 4404#L1422-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4500#L1421-3true assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 3391#L470-13true __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 2823#L105-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 2786#L106-1true assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 2975#L479-7true __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 2757#L110-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 1100#L165-1true assume { :end_inline___utac_acc__Specification2_spec__3 } true; 3430#L1439-1true assume { :end_inline_timeShift } true;cleanup_~i~3 := 1 + cleanup_~i~3; 1976#L3140-3true [2018-11-18 14:46:09,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:46:09,438 INFO L82 PathProgramCache]: Analyzing trace with hash 2105596254, now seen corresponding path program 1 times [2018-11-18 14:46:09,440 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:46:09,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:46:09,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:09,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:46:09,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:10,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:46:10,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:46:10,312 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 14:46:10,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:46:10,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1119370660, now seen corresponding path program 1 times [2018-11-18 14:46:10,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:46:10,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:46:10,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:10,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:46:10,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:46:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:46:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:46:10,502 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2018-11-18 14:46:10,566 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:46:10,567 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:46:10,567 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:46:10,567 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:46:10,567 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 14:46:10,567 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:46:10,567 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:46:10,567 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:46:10,568 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product20_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-18 14:46:10,568 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:46:10,568 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:46:10,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:10,902 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:46:10,903 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/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 [2018-11-18 14:46:10,915 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:46:10,916 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:46:10,920 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:46:10,921 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_cleanup_#t~ret159=0} Honda state: {ULTIMATE.start_cleanup_#t~ret159=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/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 [2018-11-18 14:46:10,960 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:46:10,961 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:46:10,975 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:46:10,975 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res=4, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~0=4, ~doorState~0=4, ULTIMATE.start_timeShift_~tmp~12=4, ULTIMATE.start_areDoorsOpen_~retValue_acc~2=4} Honda state: {ULTIMATE.start_areDoorsOpen_#res=4, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~0=4, ~doorState~0=4, ULTIMATE.start_timeShift_~tmp~12=4, ULTIMATE.start_areDoorsOpen_~retValue_acc~2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:46:11,007 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:46:11,007 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_046dd46d-5e66-441f-a58e-244cca65acf2/bin-2019/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:46:11,043 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:46:11,043 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:46:23,073 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 14:46:23,076 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:46:23,076 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:46:23,076 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:46:23,076 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:46:23,076 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 14:46:23,076 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:46:23,076 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:46:23,077 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:46:23,077 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product20_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-18 14:46:23,077 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:46:23,077 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:46:23,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:46:23,608 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 14:46:23,693 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:46:23,698 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 14:46:23,699 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 [2018-11-18 14:46:23,701 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:46:23,701 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:46:23,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:46:23,702 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:46:23,702 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:46:23,704 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:46:23,704 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:46:23,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:46:23,709 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 [2018-11-18 14:46:23,709 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:46:23,710 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:46:23,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:46:23,710 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:46:23,710 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:46:23,710 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:46:23,710 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:46:23,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:46:23,711 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 [2018-11-18 14:46:23,712 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:46:23,712 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:46:23,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:46:23,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:46:23,712 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:46:23,713 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:46:23,713 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:46:23,714 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:46:23,714 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 [2018-11-18 14:46:23,715 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:46:23,715 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:46:23,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:46:23,715 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-18 14:46:23,715 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:46:23,717 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:46:23,717 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:46:23,729 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:46:23,729 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 [2018-11-18 14:46:23,730 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:46:23,730 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:46:23,730 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:46:23,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:46:23,731 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:46:23,731 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:46:23,731 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:46:23,732 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:46:23,733 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 [2018-11-18 14:46:23,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:46:23,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:46:23,733 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:46:23,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:46:23,734 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:46:23,734 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:46:23,734 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:46:23,735 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:46:23,735 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 [2018-11-18 14:46:23,736 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:46:23,736 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:46:23,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:46:23,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:46:23,736 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:46:23,737 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:46:23,737 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:46:23,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:46:23,738 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 [2018-11-18 14:46:23,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:46:23,739 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:46:23,739 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:46:23,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:46:23,739 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:46:23,740 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:46:23,740 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:46:23,745 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 14:46:23,752 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-18 14:46:23,752 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-18 14:46:23,754 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 14:46:23,754 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 14:46:23,755 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 14:46:23,755 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~3) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~3 Supporting invariants [] [2018-11-18 14:46:23,756 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 14:46:23,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:46:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:23,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:46:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:46:23,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:46:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:46:23,950 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 [2018-11-18 14:46:23,951 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4958 states. Second operand 5 states. [2018-11-18 14:46:24,344 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4958 states.. Second operand 5 states. Result 7497 states and 13930 transitions. Complement of second has 9 states. [2018-11-18 14:46:24,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-18 14:46:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 14:46:24,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9294 transitions. [2018-11-18 14:46:24,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9294 transitions. Stem has 28 letters. Loop has 24 letters. [2018-11-18 14:46:24,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:46:24,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9294 transitions. Stem has 52 letters. Loop has 24 letters. [2018-11-18 14:46:24,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:46:24,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9294 transitions. Stem has 28 letters. Loop has 48 letters. [2018-11-18 14:46:24,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:46:24,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7497 states and 13930 transitions. [2018-11-18 14:46:24,401 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 14:46:24,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7497 states to 0 states and 0 transitions. [2018-11-18 14:46:24,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 14:46:24,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 14:46:24,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 14:46:24,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:46:24,406 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:46:24,406 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:46:24,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:46:24,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:46:24,410 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-18 14:46:24,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:46:24,412 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 14:46:24,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:46:24,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-18 14:46:24,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 14:46:24,413 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:46:24,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 14:46:24,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 14:46:24,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 14:46:24,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:46:24,413 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:46:24,413 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:46:24,414 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:46:24,414 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:46:24,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:46:24,414 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 14:46:24,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 14:46:24,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:46:24 BoogieIcfgContainer [2018-11-18 14:46:24,419 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:46:24,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:46:24,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:46:24,420 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:46:24,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:46:09" (3/4) ... [2018-11-18 14:46:24,423 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 14:46:24,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:46:24,424 INFO L168 Benchmark]: Toolchain (without parser) took 22158.46 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 482.3 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -213.6 MB). Peak memory consumption was 268.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:24,425 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:46:24,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:24,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.24 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:24,427 INFO L168 Benchmark]: Boogie Preprocessor took 175.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:24,428 INFO L168 Benchmark]: RCFGBuilder took 5998.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 999.2 MB in the beginning and 1.1 GB in the end (delta: -81.9 MB). Peak memory consumption was 442.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:24,428 INFO L168 Benchmark]: BuchiAutomizer took 15245.38 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.9 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:24,429 INFO L168 Benchmark]: Witness Printer took 3.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:46:24,433 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 566.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 165.24 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 175.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5998.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 999.2 MB in the beginning and 1.1 GB in the end (delta: -81.9 MB). Peak memory consumption was 442.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15245.38 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.9 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 14.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9251 SDtfs, 18460 SDslu, 4651 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf100 lsp16 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...