./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/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 59c5766d3cddc0d41e2678bb5221cccc60217431 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:31:56,047 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:31:56,048 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:31:56,054 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:31:56,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:31:56,055 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:31:56,056 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:31:56,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:31:56,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:31:56,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:31:56,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:31:56,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:31:56,060 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:31:56,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:31:56,062 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:31:56,062 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:31:56,063 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:31:56,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:31:56,065 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:31:56,066 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:31:56,067 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:31:56,068 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:31:56,070 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:31:56,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:31:56,070 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:31:56,071 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:31:56,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:31:56,072 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:31:56,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:31:56,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:31:56,073 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:31:56,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:31:56,074 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:31:56,074 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:31:56,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:31:56,075 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:31:56,075 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 00:31:56,086 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:31:56,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:31:56,087 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:31:56,087 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:31:56,087 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:31:56,088 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 00:31:56,088 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 00:31:56,088 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 00:31:56,088 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 00:31:56,088 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 00:31:56,088 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 00:31:56,089 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:31:56,089 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:31:56,089 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 00:31:56,089 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:31:56,089 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:31:56,089 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:31:56,089 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 00:31:56,090 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 00:31:56,090 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 00:31:56,090 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:31:56,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:31:56,090 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 00:31:56,090 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:31:56,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 00:31:56,091 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:31:56,091 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:31:56,091 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 00:31:56,091 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:31:56,091 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:31:56,091 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 00:31:56,092 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 00:31:56,092 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_51bd153c-1289-40c3-8710-bd26cc30acb9/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 -> 59c5766d3cddc0d41e2678bb5221cccc60217431 [2018-11-23 00:31:56,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:31:56,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:31:56,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:31:56,125 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:31:56,125 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:31:56,125 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_i5_o5_false-unreach-call_true-termination.c [2018-11-23 00:31:56,164 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/data/d1eee2e3b/d434de51e1814aadaf2573897e515b51/FLAGf4d1eeafe [2018-11-23 00:31:56,566 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:31:56,567 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/sv-benchmarks/c/recursive-simple/id2_i5_o5_false-unreach-call_true-termination.c [2018-11-23 00:31:56,571 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/data/d1eee2e3b/d434de51e1814aadaf2573897e515b51/FLAGf4d1eeafe [2018-11-23 00:31:56,580 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/data/d1eee2e3b/d434de51e1814aadaf2573897e515b51 [2018-11-23 00:31:56,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:31:56,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:31:56,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:31:56,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:31:56,586 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:31:56,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c486bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56, skipping insertion in model container [2018-11-23 00:31:56,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:31:56,603 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:31:56,703 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:31:56,705 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:31:56,714 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:31:56,721 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:31:56,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56 WrapperNode [2018-11-23 00:31:56,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:31:56,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:31:56,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:31:56,722 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:31:56,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:31:56,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:31:56,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:31:56,739 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:31:56,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2018-11-23 00:31:56,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:31:56,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:31:56,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:31:56,749 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:31:56,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2018-11-23 00:31:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2018-11-23 00:31:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:31:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:31:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-23 00:31:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-23 00:31:56,903 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:31:56,903 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 00:31:56,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:56 BoogieIcfgContainer [2018-11-23 00:31:56,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:31:56,904 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 00:31:56,904 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 00:31:56,906 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 00:31:56,906 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:31:56,906 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:31:56" (1/3) ... [2018-11-23 00:31:56,907 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48117965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:31:56, skipping insertion in model container [2018-11-23 00:31:56,907 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:31:56,907 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (2/3) ... [2018-11-23 00:31:56,908 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48117965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:31:56, skipping insertion in model container [2018-11-23 00:31:56,908 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:31:56,908 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:56" (3/3) ... [2018-11-23 00:31:56,909 INFO L375 chiAutomizerObserver]: Analyzing ICFG id2_i5_o5_false-unreach-call_true-termination.c [2018-11-23 00:31:56,949 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:31:56,949 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 00:31:56,949 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 00:31:56,949 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 00:31:56,949 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:31:56,949 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:31:56,949 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 00:31:56,950 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:31:56,950 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 00:31:56,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-11-23 00:31:56,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-23 00:31:56,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:31:56,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:31:56,980 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 00:31:56,981 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 00:31:56,981 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 00:31:56,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-11-23 00:31:56,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-23 00:31:56,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:31:56,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:31:56,983 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 00:31:56,983 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 00:31:56,990 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret2, main_~input~0, main_~result~0;main_~input~0 := 5; 11#L19true call main_#t~ret2 := id(main_~input~0);< 20#idENTRYtrue [2018-11-23 00:31:56,990 INFO L796 eck$LassoCheckResult]: Loop: 20#idENTRYtrue ~x := #in~x; 14#L8true assume !(0 == ~x); 13#L9true call #t~ret0 := id2(~x - 1);< 10#id2ENTRYtrue ~x := #in~x; 8#L13true assume !(0 == ~x); 5#L14true call #t~ret1 := id(~x - 1);< 20#idENTRYtrue [2018-11-23 00:31:56,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:56,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1272, now seen corresponding path program 1 times [2018-11-23 00:31:56,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:31:56,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:31:57,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:57,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:57,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:31:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:31:57,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:57,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1542369597, now seen corresponding path program 1 times [2018-11-23 00:31:57,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:31:57,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:31:57,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:57,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:57,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:31:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:31:57,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:57,072 INFO L82 PathProgramCache]: Analyzing trace with hash -16850700, now seen corresponding path program 1 times [2018-11-23 00:31:57,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:31:57,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:31:57,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:57,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:31:57,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:31:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:31:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:31:57,181 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:31:57,182 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:31:57,182 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:31:57,182 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:31:57,182 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 00:31:57,182 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,182 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:31:57,183 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:31:57,183 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_false-unreach-call_true-termination.c_Iteration1_Loop [2018-11-23 00:31:57,183 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:31:57,183 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:31:57,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,334 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:31:57,335 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,338 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,338 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,343 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,343 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,358 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,358 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/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 [2018-11-23 00:31:57,374 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 00:31:57,374 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,401 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,401 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-5} Honda state: {id_#in~x=-5} Generalized eigenvectors: [{id_#in~x=0}, {id_#in~x=0}, {id_#in~x=-2}] Lambdas: [1, 7, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/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 [2018-11-23 00:31:57,415 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,415 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,421 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,421 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~x=0} Honda state: {id2_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,435 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,436 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,438 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,438 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,453 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,453 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,455 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,455 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,470 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,470 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,472 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,472 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,486 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,486 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,488 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,488 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,502 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,502 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,504 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,504 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-23 00:31:57,533 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:31:57,533 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:31:57,533 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:31:57,533 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:31:57,533 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 00:31:57,533 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,533 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:31:57,533 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:31:57,533 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_false-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-23 00:31:57,533 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:31:57,533 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:31:57,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,680 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:31:57,680 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,682 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,683 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,685 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,686 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,710 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,710 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,712 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,713 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,738 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,738 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,740 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,740 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,766 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,766 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,768 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 00:31:57,768 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=0} Honda state: {ULTIMATE.start_main_~input~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,783 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 00:31:57,783 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51bd153c-1289-40c3-8710-bd26cc30acb9/bin-2019/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,807 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 00:31:57,807 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 00:31:57,860 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 00:31:57,861 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:31:57,861 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:31:57,861 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:31:57,861 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:31:57,862 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 00:31:57,862 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:31:57,862 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:31:57,862 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:31:57,862 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_false-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-23 00:31:57,862 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:31:57,862 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:31:57,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 00:31:57,988 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:31:57,992 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 00:31:57,993 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:31:57,994 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:31:57,995 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:31:57,995 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:31:57,995 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:31:57,995 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:31:57,997 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:31:57,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:31:58,000 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:31:58,000 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:31:58,000 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:31:58,001 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:31:58,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:31:58,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:31:58,001 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:31:58,001 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:31:58,001 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:31:58,002 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:31:58,002 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:31:58,002 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:31:58,002 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:31:58,002 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:31:58,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:31:58,003 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:31:58,003 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:31:58,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:31:58,004 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:31:58,004 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:31:58,004 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:31:58,004 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:31:58,004 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:31:58,004 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:31:58,005 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:31:58,005 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:31:58,005 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:31:58,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:31:58,006 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:31:58,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:31:58,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:31:58,006 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 00:31:58,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:31:58,011 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-23 00:31:58,011 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 00:31:58,079 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 00:31:58,096 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 00:31:58,096 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-23 00:31:58,098 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 00:31:58,102 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-23 00:31:58,102 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 00:31:58,102 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2018-11-23 00:31:58,109 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-23 00:31:58,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:58,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:31:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:58,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:31:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:58,260 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2018-11-23 00:31:58,261 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 8 states. [2018-11-23 00:31:58,421 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 8 states. Result 54 states and 61 transitions. Complement of second has 23 states. [2018-11-23 00:31:58,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-23 00:31:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 00:31:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2018-11-23 00:31:58,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-23 00:31:58,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 00:31:58,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2018-11-23 00:31:58,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 00:31:58,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 12 letters. [2018-11-23 00:31:58,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 00:31:58,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2018-11-23 00:31:58,429 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 00:31:58,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2018-11-23 00:31:58,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 00:31:58,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 00:31:58,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 00:31:58,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 00:31:58,432 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:31:58,433 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:31:58,433 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:31:58,433 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 00:31:58,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:31:58,433 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 00:31:58,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 00:31:58,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:31:58 BoogieIcfgContainer [2018-11-23 00:31:58,437 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 00:31:58,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:31:58,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:31:58,437 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:31:58,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:56" (3/4) ... [2018-11-23 00:31:58,439 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 00:31:58,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:31:58,440 INFO L168 Benchmark]: Toolchain (without parser) took 1857.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 958.2 MB in the beginning and 891.1 MB in the end (delta: 67.0 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:58,441 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:31:58,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.13 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:58,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.02 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:58,442 INFO L168 Benchmark]: Boogie Preprocessor took 9.02 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:31:58,442 INFO L168 Benchmark]: RCFGBuilder took 155.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:58,443 INFO L168 Benchmark]: BuchiAutomizer took 1532.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.1 MB in the end (delta: 237.8 MB). Peak memory consumption was 237.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:31:58,443 INFO L168 Benchmark]: Witness Printer took 2.54 ms. Allocated memory is still 1.2 GB. Free memory is still 891.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:31:58,445 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.13 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.02 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.02 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 155.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1532.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.1 MB in the end (delta: 237.8 MB). Peak memory consumption was 237.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.54 ms. Allocated memory is still 1.2 GB. Free memory is still 891.1 MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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: 10 SDtfs, 18 SDslu, 16 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq201 hnf97 smp100 dnf250 smp42 tf101 neg94 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 96ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...