./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.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_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 f756365182c9801d4a2ac186a40692687a86b469 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:35:02,669 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:35:02,671 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:35:02,679 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:35:02,680 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:35:02,680 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:35:02,681 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:35:02,683 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:35:02,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:35:02,684 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:35:02,685 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:35:02,685 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:35:02,686 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:35:02,687 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:35:02,688 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:35:02,688 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:35:02,689 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:35:02,690 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:35:02,691 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:35:02,693 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:35:02,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:35:02,695 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:35:02,696 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:35:02,696 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:35:02,696 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:35:02,697 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:35:02,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:35:02,699 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:35:02,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:35:02,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:35:02,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:35:02,701 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:35:02,701 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:35:02,701 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:35:02,702 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:35:02,703 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:35:02,703 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:35:02,715 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:35:02,715 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:35:02,716 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:35:02,716 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:35:02,717 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:35:02,717 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:35:02,717 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:35:02,717 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:35:02,717 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:35:02,717 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:35:02,717 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:35:02,718 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:35:02,718 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:35:02,718 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:35:02,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:35:02,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:35:02,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:35:02,718 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:35:02,718 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:35:02,719 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:35:02,719 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:35:02,719 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:35:02,719 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:35:02,719 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:35:02,719 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:35:02,719 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:35:02,719 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:35:02,720 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:35:02,720 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:35:02,720 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:35:02,720 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:35:02,721 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:35:02,721 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_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 -> f756365182c9801d4a2ac186a40692687a86b469 [2018-11-18 08:35:02,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:35:02,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:35:02,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:35:02,761 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:35:02,761 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:35:02,762 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c [2018-11-18 08:35:02,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/data/1146c5817/07287d8b015d411eb3f2fd10d7abdfe0/FLAG10a51ed93 [2018-11-18 08:35:03,162 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:35:03,163 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/sv-benchmarks/c/bitvector/soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c [2018-11-18 08:35:03,168 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/data/1146c5817/07287d8b015d411eb3f2fd10d7abdfe0/FLAG10a51ed93 [2018-11-18 08:35:03,177 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/bin-2019/uautomizer/data/1146c5817/07287d8b015d411eb3f2fd10d7abdfe0 [2018-11-18 08:35:03,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:35:03,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:35:03,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:35:03,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:35:03,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:35:03,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3328d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03, skipping insertion in model container [2018-11-18 08:35:03,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:35:03,213 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:35:03,357 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:35:03,360 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:35:03,390 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:35:03,400 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:35:03,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03 WrapperNode [2018-11-18 08:35:03,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:35:03,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:35:03,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:35:03,401 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:35:03,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:35:03,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:35:03,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:35:03,467 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:35:03,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... [2018-11-18 08:35:03,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:35:03,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:35:03,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:35:03,491 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:35:03,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 08:35:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:35:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:35:03,860 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:35:03,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:35:03 BoogieIcfgContainer [2018-11-18 08:35:03,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:35:03,861 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:35:03,861 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:35:03,863 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:35:03,864 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:35:03,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:35:03" (1/3) ... [2018-11-18 08:35:03,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71c400f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:35:03, skipping insertion in model container [2018-11-18 08:35:03,864 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:35:03,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:03" (2/3) ... [2018-11-18 08:35:03,865 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71c400f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:35:03, skipping insertion in model container [2018-11-18 08:35:03,865 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:35:03,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:35:03" (3/3) ... [2018-11-18 08:35:03,867 INFO L375 chiAutomizerObserver]: Analyzing ICFG soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c [2018-11-18 08:35:03,901 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:35:03,901 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:35:03,901 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:35:03,901 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:35:03,901 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:35:03,901 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:35:03,902 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:35:03,902 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:35:03,902 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:35:03,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states. [2018-11-18 08:35:03,932 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2018-11-18 08:35:03,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:03,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:03,937 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-18 08:35:03,937 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 08:35:03,937 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:35:03,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states. [2018-11-18 08:35:03,941 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2018-11-18 08:35:03,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:03,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:03,942 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-18 08:35:03,942 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 08:35:03,948 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_#t~ret5, main_#t~ret6, main_#t~ret7, main_~a~0, main_~ma~2, main_~ea~2, main_~b~0, main_~mb~2, main_~eb~2, main_~r_add~0, main_~zero~0, main_~sa~0, main_~sb~0, main_~tmp~2, main_~tmp___0~0, main_~tmp___1~0, main_~tmp___2~0, main_~tmp___3~0, main_~tmp___4~0, main_~tmp___5~0, main_~tmp___6~0, main_~tmp___7~0, main_~tmp___8~0, main_~tmp___9~0, main_~__retres23~0;havoc main_~a~0;main_~ma~2 := main_#t~nondet0;havoc main_#t~nondet0;main_~ea~2 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~b~0;main_~mb~2 := main_#t~nondet2;havoc main_#t~nondet2;main_~eb~2 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~r_add~0;havoc main_~zero~0;havoc main_~sa~0;havoc main_~sb~0;havoc main_~tmp~2;havoc main_~tmp___0~0;havoc main_~tmp___1~0;havoc main_~tmp___2~0;havoc main_~tmp___3~0;havoc main_~tmp___4~0;havoc main_~tmp___5~0;havoc main_~tmp___6~0;havoc main_~tmp___7~0;havoc main_~tmp___8~0;havoc main_~tmp___9~0;havoc main_~__retres23~0;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := 0, 0;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 37#L19true assume !(0 == base2flt_~m % 4294967296); 23#L25true assume !(base2flt_~m % 4294967296 < 16777216); 15#L47-3true [2018-11-18 08:35:03,948 INFO L796 eck$LassoCheckResult]: Loop: 15#L47-3true assume true; 22#L47-1true assume !false; 31#L48true assume base2flt_~m % 4294967296 >= 33554432; 61#L49true assume !(base2flt_~e >= 127);base2flt_~e := 1 + base2flt_~e;base2flt_~m := base2flt_~m / 2; 15#L47-3true [2018-11-18 08:35:03,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:03,953 INFO L82 PathProgramCache]: Analyzing trace with hash 925697, now seen corresponding path program 1 times [2018-11-18 08:35:03,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:03,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:03,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:03,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:03,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:04,071 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 08:35:04,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:35:04,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:35:04,076 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 08:35:04,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:04,076 INFO L82 PathProgramCache]: Analyzing trace with hash 2191759, now seen corresponding path program 1 times [2018-11-18 08:35:04,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:04,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:04,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:04,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,138 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:04,139 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:04,139 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:04,139 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:04,140 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 08:35:04,140 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:04,140 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:04,140 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:04,140 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration1_Loop [2018-11-18 08:35:04,140 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:04,141 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:04,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:35:04,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:35:04,252 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:04,253 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 08:35:04,257 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:35:04,257 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 08:35:04,278 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 08:35:04,279 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:35:04,297 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 08:35:04,298 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:04,298 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:04,298 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:04,299 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:04,299 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 08:35:04,299 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:04,299 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:04,299 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:04,299 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration1_Loop [2018-11-18 08:35:04,299 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:04,299 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:04,300 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 08:35:04,305 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 08:35:04,357 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:04,360 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 08:35:04,361 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 08:35:04,362 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:35:04,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:35:04,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:35:04,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:35:04,363 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:35:04,365 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:35:04,365 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:35:04,369 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 08:35:04,374 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 08:35:04,374 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 08:35:04,376 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 08:35:04,376 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 08:35:04,377 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 08:35:04,377 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = -2*ULTIMATE.start_base2flt_~e + 253 Supporting invariants [] [2018-11-18 08:35:04,378 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 08:35:04,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:04,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:04,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:04,416 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 08:35:04,428 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-18 08:35:04,429 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states. Second operand 3 states. [2018-11-18 08:35:04,492 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states.. Second operand 3 states. Result 279 states and 433 transitions. Complement of second has 6 states. [2018-11-18 08:35:04,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-18 08:35:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 08:35:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 286 transitions. [2018-11-18 08:35:04,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 286 transitions. Stem has 4 letters. Loop has 4 letters. [2018-11-18 08:35:04,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:04,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 286 transitions. Stem has 8 letters. Loop has 4 letters. [2018-11-18 08:35:04,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:04,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 286 transitions. Stem has 4 letters. Loop has 8 letters. [2018-11-18 08:35:04,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:04,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 433 transitions. [2018-11-18 08:35:04,503 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 36 [2018-11-18 08:35:04,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 68 states and 93 transitions. [2018-11-18 08:35:04,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2018-11-18 08:35:04,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2018-11-18 08:35:04,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 93 transitions. [2018-11-18 08:35:04,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 08:35:04,510 INFO L705 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2018-11-18 08:35:04,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 93 transitions. [2018-11-18 08:35:04,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 55. [2018-11-18 08:35:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-18 08:35:04,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2018-11-18 08:35:04,530 INFO L728 BuchiCegarLoop]: Abstraction has 55 states and 79 transitions. [2018-11-18 08:35:04,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:35:04,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:35:04,533 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2018-11-18 08:35:04,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:35:04,561 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2018-11-18 08:35:04,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:35:04,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2018-11-18 08:35:04,562 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2018-11-18 08:35:04,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 35 transitions. [2018-11-18 08:35:04,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2018-11-18 08:35:04,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2018-11-18 08:35:04,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2018-11-18 08:35:04,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:35:04,563 INFO L705 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2018-11-18 08:35:04,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2018-11-18 08:35:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-18 08:35:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 08:35:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2018-11-18 08:35:04,565 INFO L728 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2018-11-18 08:35:04,565 INFO L608 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2018-11-18 08:35:04,565 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:35:04,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2018-11-18 08:35:04,565 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2018-11-18 08:35:04,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:04,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:04,566 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:04,566 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 08:35:04,566 INFO L794 eck$LassoCheckResult]: Stem: 532#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_#t~ret5, main_#t~ret6, main_#t~ret7, main_~a~0, main_~ma~2, main_~ea~2, main_~b~0, main_~mb~2, main_~eb~2, main_~r_add~0, main_~zero~0, main_~sa~0, main_~sb~0, main_~tmp~2, main_~tmp___0~0, main_~tmp___1~0, main_~tmp___2~0, main_~tmp___3~0, main_~tmp___4~0, main_~tmp___5~0, main_~tmp___6~0, main_~tmp___7~0, main_~tmp___8~0, main_~tmp___9~0, main_~__retres23~0;havoc main_~a~0;main_~ma~2 := main_#t~nondet0;havoc main_#t~nondet0;main_~ea~2 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~b~0;main_~mb~2 := main_#t~nondet2;havoc main_#t~nondet2;main_~eb~2 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~r_add~0;havoc main_~zero~0;havoc main_~sa~0;havoc main_~sb~0;havoc main_~tmp~2;havoc main_~tmp___0~0;havoc main_~tmp___1~0;havoc main_~tmp___2~0;havoc main_~tmp___3~0;havoc main_~tmp___4~0;havoc main_~tmp___5~0;havoc main_~tmp___6~0;havoc main_~tmp___7~0;havoc main_~tmp___8~0;havoc main_~tmp___9~0;havoc main_~__retres23~0;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := 0, 0;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 513#L19 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 507#L69 base2flt_#res := base2flt_~__retres4~0; 508#L70 main_#t~ret4 := base2flt_#res;assume { :end_inline_base2flt } true;main_~zero~0 := main_#t~ret4;havoc main_#t~ret4;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := main_~ma~2, main_~ea~2;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 528#L19-1 assume !(0 == base2flt_~m % 4294967296); 520#L25-1 assume !(base2flt_~m % 4294967296 < 16777216); 511#L47-7 [2018-11-18 08:35:04,566 INFO L796 eck$LassoCheckResult]: Loop: 511#L47-7 assume true; 514#L47-5 assume !false; 515#L48-1 assume base2flt_~m % 4294967296 >= 33554432; 509#L49-1 assume !(base2flt_~e >= 127);base2flt_~e := 1 + base2flt_~e;base2flt_~m := base2flt_~m / 2; 511#L47-7 [2018-11-18 08:35:04,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:04,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1806689378, now seen corresponding path program 1 times [2018-11-18 08:35:04,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:04,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:04,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:04,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:04,582 INFO L82 PathProgramCache]: Analyzing trace with hash 4192719, now seen corresponding path program 1 times [2018-11-18 08:35:04,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:04,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:04,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:04,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:04,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1900755536, now seen corresponding path program 1 times [2018-11-18 08:35:04,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:04,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:04,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:04,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,646 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:04,646 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:04,646 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:04,646 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:04,646 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 08:35:04,646 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:04,646 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:04,646 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:04,646 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration2_Loop [2018-11-18 08:35:04,647 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:04,647 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:04,647 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 08:35:04,652 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 08:35:04,718 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:04,718 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 08:35:04,720 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:35:04,720 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:35:04,773 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 08:35:04,773 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m=-1} Honda state: {ULTIMATE.start_base2flt_~m=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 08:35:04,789 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:35:04,789 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 [2018-11-18 08:35:04,815 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 08:35:04,815 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:35:04,832 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 08:35:04,833 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:04,833 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:04,833 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:04,833 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:04,833 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 08:35:04,833 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:04,833 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:04,833 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:04,833 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration2_Loop [2018-11-18 08:35:04,833 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:04,833 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:04,834 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 08:35:04,839 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 08:35:04,884 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:04,884 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 08:35:04,885 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 08:35:04,885 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:35:04,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:35:04,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:35:04,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:35:04,886 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:35:04,886 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:35:04,887 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:35:04,892 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:35:04,893 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 08:35:04,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:35:04,893 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:35:04,894 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:35:04,894 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:35:04,894 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:35:04,894 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:35:04,894 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:35:04,897 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 08:35:04,899 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 08:35:04,899 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 08:35:04,900 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 08:35:04,900 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 08:35:04,900 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 08:35:04,900 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = -2*ULTIMATE.start_base2flt_~e + 253 Supporting invariants [] [2018-11-18 08:35:04,900 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 08:35:04,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:04,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:04,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:04,929 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 08:35:04,929 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-18 08:35:04,929 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 35 transitions. cyclomatic complexity: 11 Second operand 3 states. [2018-11-18 08:35:04,937 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 35 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 48 states and 58 transitions. Complement of second has 5 states. [2018-11-18 08:35:04,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-18 08:35:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 08:35:04,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2018-11-18 08:35:04,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 7 letters. Loop has 4 letters. [2018-11-18 08:35:04,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:04,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 11 letters. Loop has 4 letters. [2018-11-18 08:35:04,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:04,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 7 letters. Loop has 8 letters. [2018-11-18 08:35:04,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:04,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2018-11-18 08:35:04,943 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 20 [2018-11-18 08:35:04,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 45 states and 54 transitions. [2018-11-18 08:35:04,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2018-11-18 08:35:04,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2018-11-18 08:35:04,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 54 transitions. [2018-11-18 08:35:04,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 08:35:04,945 INFO L705 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2018-11-18 08:35:04,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 54 transitions. [2018-11-18 08:35:04,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 32. [2018-11-18 08:35:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-18 08:35:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2018-11-18 08:35:04,947 INFO L728 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-11-18 08:35:04,947 INFO L608 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-11-18 08:35:04,947 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:35:04,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 40 transitions. [2018-11-18 08:35:04,948 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2018-11-18 08:35:04,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:04,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:04,948 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:04,948 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 08:35:04,949 INFO L794 eck$LassoCheckResult]: Stem: 665#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 642#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_#t~ret5, main_#t~ret6, main_#t~ret7, main_~a~0, main_~ma~2, main_~ea~2, main_~b~0, main_~mb~2, main_~eb~2, main_~r_add~0, main_~zero~0, main_~sa~0, main_~sb~0, main_~tmp~2, main_~tmp___0~0, main_~tmp___1~0, main_~tmp___2~0, main_~tmp___3~0, main_~tmp___4~0, main_~tmp___5~0, main_~tmp___6~0, main_~tmp___7~0, main_~tmp___8~0, main_~tmp___9~0, main_~__retres23~0;havoc main_~a~0;main_~ma~2 := main_#t~nondet0;havoc main_#t~nondet0;main_~ea~2 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~b~0;main_~mb~2 := main_#t~nondet2;havoc main_#t~nondet2;main_~eb~2 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~r_add~0;havoc main_~zero~0;havoc main_~sa~0;havoc main_~sb~0;havoc main_~tmp~2;havoc main_~tmp___0~0;havoc main_~tmp___1~0;havoc main_~tmp___2~0;havoc main_~tmp___3~0;havoc main_~tmp___4~0;havoc main_~tmp___5~0;havoc main_~tmp___6~0;havoc main_~tmp___7~0;havoc main_~tmp___8~0;havoc main_~tmp___9~0;havoc main_~__retres23~0;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := 0, 0;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 643#L19 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 636#L69 base2flt_#res := base2flt_~__retres4~0; 637#L70 main_#t~ret4 := base2flt_#res;assume { :end_inline_base2flt } true;main_~zero~0 := main_#t~ret4;havoc main_#t~ret4;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := main_~ma~2, main_~ea~2;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 661#L19-1 assume !(0 == base2flt_~m % 4294967296); 652#L25-1 assume base2flt_~m % 4294967296 < 16777216; 654#L37-3 [2018-11-18 08:35:04,949 INFO L796 eck$LassoCheckResult]: Loop: 654#L37-3 assume true; 648#L27-4 assume !false; 649#L28-1 assume !(base2flt_~e <= -128);base2flt_~e := base2flt_~e - 1;base2flt_~m := 2 * base2flt_~m; 660#L37-2 assume base2flt_~m % 4294967296 < 16777216; 654#L37-3 [2018-11-18 08:35:04,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:04,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1806689351, now seen corresponding path program 1 times [2018-11-18 08:35:04,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:04,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:04,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:04,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:04,962 INFO L82 PathProgramCache]: Analyzing trace with hash 3361610, now seen corresponding path program 1 times [2018-11-18 08:35:04,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:04,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:04,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:04,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:04,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1926521712, now seen corresponding path program 1 times [2018-11-18 08:35:04,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:04,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:04,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:04,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,018 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:05,018 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:05,018 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:05,018 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:05,019 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 08:35:05,019 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:05,019 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:05,019 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:05,019 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration3_Loop [2018-11-18 08:35:05,019 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:05,019 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:05,020 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 08:35:05,024 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 08:35:05,066 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:05,066 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 [2018-11-18 08:35:05,068 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:35:05,068 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:35:05,075 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 08:35:05,075 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m=0} Honda state: {ULTIMATE.start_base2flt_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 [2018-11-18 08:35:05,090 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:35:05,090 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 [2018-11-18 08:35:05,107 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 08:35:05,107 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:35:05,123 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 08:35:05,124 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:05,125 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:05,125 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:05,125 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:05,125 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 08:35:05,125 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:05,125 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:05,125 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:05,125 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration3_Loop [2018-11-18 08:35:05,125 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:05,125 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:05,126 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 08:35:05,132 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 08:35:05,194 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:05,195 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 08:35:05,195 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 08:35:05,196 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:35:05,196 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:35:05,196 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:35:05,196 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:35:05,196 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:35:05,197 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:35:05,197 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:35:05,201 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:35:05,202 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 08:35:05,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:35:05,203 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:35:05,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:35:05,203 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:35:05,203 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:35:05,203 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:35:05,204 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:35:05,206 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 08:35:05,208 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 08:35:05,208 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 08:35:05,209 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 08:35:05,209 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 08:35:05,209 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 08:35:05,209 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = 2*ULTIMATE.start_base2flt_~e + 255 Supporting invariants [] [2018-11-18 08:35:05,209 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 08:35:05,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:05,233 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:05,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:05,262 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 08:35:05,263 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-18 08:35:05,263 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 40 transitions. cyclomatic complexity: 12 Second operand 4 states. [2018-11-18 08:35:05,271 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 40 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 53 states and 64 transitions. Complement of second has 5 states. [2018-11-18 08:35:05,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-18 08:35:05,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 08:35:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2018-11-18 08:35:05,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 7 letters. Loop has 4 letters. [2018-11-18 08:35:05,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:05,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 11 letters. Loop has 4 letters. [2018-11-18 08:35:05,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:05,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 7 letters. Loop has 8 letters. [2018-11-18 08:35:05,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:05,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 64 transitions. [2018-11-18 08:35:05,274 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2018-11-18 08:35:05,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 50 states and 60 transitions. [2018-11-18 08:35:05,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2018-11-18 08:35:05,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2018-11-18 08:35:05,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 60 transitions. [2018-11-18 08:35:05,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 08:35:05,275 INFO L705 BuchiCegarLoop]: Abstraction has 50 states and 60 transitions. [2018-11-18 08:35:05,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 60 transitions. [2018-11-18 08:35:05,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 36. [2018-11-18 08:35:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-18 08:35:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2018-11-18 08:35:05,277 INFO L728 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2018-11-18 08:35:05,277 INFO L608 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2018-11-18 08:35:05,277 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 08:35:05,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2018-11-18 08:35:05,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2018-11-18 08:35:05,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:05,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:05,278 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:05,279 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 08:35:05,279 INFO L794 eck$LassoCheckResult]: Stem: 806#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 781#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_#t~ret5, main_#t~ret6, main_#t~ret7, main_~a~0, main_~ma~2, main_~ea~2, main_~b~0, main_~mb~2, main_~eb~2, main_~r_add~0, main_~zero~0, main_~sa~0, main_~sb~0, main_~tmp~2, main_~tmp___0~0, main_~tmp___1~0, main_~tmp___2~0, main_~tmp___3~0, main_~tmp___4~0, main_~tmp___5~0, main_~tmp___6~0, main_~tmp___7~0, main_~tmp___8~0, main_~tmp___9~0, main_~__retres23~0;havoc main_~a~0;main_~ma~2 := main_#t~nondet0;havoc main_#t~nondet0;main_~ea~2 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~b~0;main_~mb~2 := main_#t~nondet2;havoc main_#t~nondet2;main_~eb~2 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~r_add~0;havoc main_~zero~0;havoc main_~sa~0;havoc main_~sb~0;havoc main_~tmp~2;havoc main_~tmp___0~0;havoc main_~tmp___1~0;havoc main_~tmp___2~0;havoc main_~tmp___3~0;havoc main_~tmp___4~0;havoc main_~tmp___5~0;havoc main_~tmp___6~0;havoc main_~tmp___7~0;havoc main_~tmp___8~0;havoc main_~tmp___9~0;havoc main_~__retres23~0;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := 0, 0;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 782#L19 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 775#L69 base2flt_#res := base2flt_~__retres4~0; 776#L70 main_#t~ret4 := base2flt_#res;assume { :end_inline_base2flt } true;main_~zero~0 := main_#t~ret4;havoc main_#t~ret4;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := main_~ma~2, main_~ea~2;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 802#L19-1 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 778#L69-1 base2flt_#res := base2flt_~__retres4~0; 796#L70-1 main_#t~ret5 := base2flt_#res;assume { :end_inline_base2flt } true;main_~a~0 := main_#t~ret5;havoc main_#t~ret5;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := main_~mb~2, main_~eb~2;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 800#L19-2 assume !(0 == base2flt_~m % 4294967296); 791#L25-2 assume !(base2flt_~m % 4294967296 < 16777216); 774#L47-11 [2018-11-18 08:35:05,279 INFO L796 eck$LassoCheckResult]: Loop: 774#L47-11 assume true; 803#L47-9 assume !false; 804#L48-2 assume base2flt_~m % 4294967296 >= 33554432; 773#L49-2 assume !(base2flt_~e >= 127);base2flt_~e := 1 + base2flt_~e;base2flt_~m := base2flt_~m / 2; 774#L47-11 [2018-11-18 08:35:05,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:05,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1447775102, now seen corresponding path program 1 times [2018-11-18 08:35:05,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:05,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:05,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:05,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:05,290 INFO L82 PathProgramCache]: Analyzing trace with hash 6193679, now seen corresponding path program 1 times [2018-11-18 08:35:05,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:05,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:05,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:05,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:05,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1615655408, now seen corresponding path program 1 times [2018-11-18 08:35:05,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:05,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:05,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:05,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,345 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:05,345 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:05,345 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:05,345 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:05,345 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 08:35:05,345 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:05,345 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:05,345 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:05,345 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration4_Loop [2018-11-18 08:35:05,345 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:05,345 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:05,346 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 08:35:05,350 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 08:35:05,413 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:05,414 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 [2018-11-18 08:35:05,423 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:35:05,423 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 [2018-11-18 08:35:05,455 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 08:35:05,455 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:35:05,471 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 08:35:05,473 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:05,473 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:05,473 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:05,473 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:05,473 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 08:35:05,473 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:05,473 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:05,473 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:05,474 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration4_Loop [2018-11-18 08:35:05,474 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:05,474 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:05,474 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 08:35:05,482 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 08:35:05,518 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:05,518 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 08:35:05,519 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 08:35:05,519 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:35:05,519 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:35:05,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:35:05,520 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:35:05,520 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:35:05,520 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:35:05,520 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:35:05,522 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 08:35:05,523 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 08:35:05,523 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 08:35:05,524 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 08:35:05,524 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 08:35:05,524 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 08:35:05,524 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = -2*ULTIMATE.start_base2flt_~e + 253 Supporting invariants [] [2018-11-18 08:35:05,524 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 08:35:05,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:05,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:05,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:05,545 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 08:35:05,545 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-18 08:35:05,546 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 13 Second operand 3 states. [2018-11-18 08:35:05,550 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 40 states and 50 transitions. Complement of second has 4 states. [2018-11-18 08:35:05,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-18 08:35:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 08:35:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2018-11-18 08:35:05,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 4 letters. [2018-11-18 08:35:05,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:05,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 14 letters. Loop has 4 letters. [2018-11-18 08:35:05,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:05,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 8 letters. [2018-11-18 08:35:05,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:05,555 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2018-11-18 08:35:05,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-18 08:35:05,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 32 states and 40 transitions. [2018-11-18 08:35:05,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2018-11-18 08:35:05,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2018-11-18 08:35:05,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 40 transitions. [2018-11-18 08:35:05,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 08:35:05,557 INFO L705 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-11-18 08:35:05,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 40 transitions. [2018-11-18 08:35:05,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-18 08:35:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-18 08:35:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2018-11-18 08:35:05,559 INFO L728 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-11-18 08:35:05,559 INFO L608 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-11-18 08:35:05,559 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-18 08:35:05,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 40 transitions. [2018-11-18 08:35:05,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-18 08:35:05,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:35:05,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:35:05,560 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:05,560 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 08:35:05,560 INFO L794 eck$LassoCheckResult]: Stem: 935#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 934#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_#t~ret5, main_#t~ret6, main_#t~ret7, main_~a~0, main_~ma~2, main_~ea~2, main_~b~0, main_~mb~2, main_~eb~2, main_~r_add~0, main_~zero~0, main_~sa~0, main_~sb~0, main_~tmp~2, main_~tmp___0~0, main_~tmp___1~0, main_~tmp___2~0, main_~tmp___3~0, main_~tmp___4~0, main_~tmp___5~0, main_~tmp___6~0, main_~tmp___7~0, main_~tmp___8~0, main_~tmp___9~0, main_~__retres23~0;havoc main_~a~0;main_~ma~2 := main_#t~nondet0;havoc main_#t~nondet0;main_~ea~2 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~b~0;main_~mb~2 := main_#t~nondet2;havoc main_#t~nondet2;main_~eb~2 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~r_add~0;havoc main_~zero~0;havoc main_~sa~0;havoc main_~sb~0;havoc main_~tmp~2;havoc main_~tmp___0~0;havoc main_~tmp___1~0;havoc main_~tmp___2~0;havoc main_~tmp___3~0;havoc main_~tmp___4~0;havoc main_~tmp___5~0;havoc main_~tmp___6~0;havoc main_~tmp___7~0;havoc main_~tmp___8~0;havoc main_~tmp___9~0;havoc main_~__retres23~0;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := 0, 0;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 932#L19 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 917#L69 base2flt_#res := base2flt_~__retres4~0; 918#L70 main_#t~ret4 := base2flt_#res;assume { :end_inline_base2flt } true;main_~zero~0 := main_#t~ret4;havoc main_#t~ret4;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := main_~ma~2, main_~ea~2;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 926#L19-1 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 921#L69-1 base2flt_#res := base2flt_~__retres4~0; 919#L70-1 main_#t~ret5 := base2flt_#res;assume { :end_inline_base2flt } true;main_~a~0 := main_#t~ret5;havoc main_#t~ret5;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := main_~mb~2, main_~eb~2;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 920#L19-2 assume !(0 == base2flt_~m % 4294967296); 927#L25-2 assume base2flt_~m % 4294967296 < 16777216; 936#L37-5 [2018-11-18 08:35:05,560 INFO L796 eck$LassoCheckResult]: Loop: 936#L37-5 assume true; 933#L27-7 assume !false; 915#L28-2 assume !(base2flt_~e <= -128);base2flt_~e := base2flt_~e - 1;base2flt_~m := 2 * base2flt_~m; 916#L37-4 assume base2flt_~m % 4294967296 < 16777216; 936#L37-5 [2018-11-18 08:35:05,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:05,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1447775129, now seen corresponding path program 1 times [2018-11-18 08:35:05,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:05,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:05,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:05,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:05,573 INFO L82 PathProgramCache]: Analyzing trace with hash 5362570, now seen corresponding path program 1 times [2018-11-18 08:35:05,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:05,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:05,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:05,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:05,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1641421584, now seen corresponding path program 1 times [2018-11-18 08:35:05,578 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:05,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:05,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:05,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,620 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:05,620 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:05,620 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:05,620 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:05,621 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 08:35:05,621 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:05,621 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:05,621 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:05,621 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration5_Loop [2018-11-18 08:35:05,621 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:05,621 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:05,622 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 08:35:05,629 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 08:35:05,675 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:05,676 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 [2018-11-18 08:35:05,680 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:35:05,680 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_158fc06e-a5d9-4f3a-b4e1-8b1c65a46101/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 [2018-11-18 08:35:05,699 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 08:35:05,699 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:35:05,715 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 08:35:05,717 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:35:05,717 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:35:05,717 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:35:05,717 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:35:05,717 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 08:35:05,717 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:35:05,717 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:35:05,718 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:35:05,718 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration5_Loop [2018-11-18 08:35:05,718 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:35:05,718 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:35:05,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:35:05,722 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 08:35:05,795 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:35:05,796 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 08:35:05,796 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 08:35:05,796 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:35:05,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:35:05,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:35:05,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:35:05,797 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:35:05,797 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:35:05,797 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:35:05,799 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 08:35:05,801 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 08:35:05,801 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 08:35:05,801 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 08:35:05,801 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 08:35:05,801 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 08:35:05,801 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = 2*ULTIMATE.start_base2flt_~e + 255 Supporting invariants [] [2018-11-18 08:35:05,802 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 08:35:05,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:05,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:05,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:05,838 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 08:35:05,838 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-18 08:35:05,838 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 40 transitions. cyclomatic complexity: 11 Second operand 4 states. [2018-11-18 08:35:05,843 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 40 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 37 states and 46 transitions. Complement of second has 4 states. [2018-11-18 08:35:05,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-18 08:35:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 08:35:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2018-11-18 08:35:05,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 10 letters. Loop has 4 letters. [2018-11-18 08:35:05,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:05,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 14 letters. Loop has 4 letters. [2018-11-18 08:35:05,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:05,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 10 letters. Loop has 8 letters. [2018-11-18 08:35:05,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:35:05,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2018-11-18 08:35:05,845 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 08:35:05,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2018-11-18 08:35:05,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 08:35:05,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 08:35:05,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 08:35:05,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:35:05,845 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:35:05,846 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:35:05,846 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:35:05,846 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-11-18 08:35:05,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:35:05,846 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 08:35:05,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 08:35:05,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:35:05 BoogieIcfgContainer [2018-11-18 08:35:05,852 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:35:05,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:35:05,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:35:05,852 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:35:05,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:35:03" (3/4) ... [2018-11-18 08:35:05,855 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 08:35:05,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:35:05,856 INFO L168 Benchmark]: Toolchain (without parser) took 2676.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 234.9 MB). Free memory was 959.2 MB in the beginning and 1.2 GB in the end (delta: -250.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:05,857 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-18 08:35:05,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.06 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 937.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:05,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 937.8 MB in the beginning and 1.2 GB in the end (delta: -213.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:05,858 INFO L168 Benchmark]: Boogie Preprocessor took 23.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:05,859 INFO L168 Benchmark]: RCFGBuilder took 370.41 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:05,859 INFO L168 Benchmark]: BuchiAutomizer took 1990.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:05,859 INFO L168 Benchmark]: Witness Printer took 3.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:05,862 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 220.06 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 937.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 937.8 MB in the beginning and 1.2 GB in the end (delta: -213.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 370.41 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1990.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.73 ms. Allocated memory is still 1.3 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 6 terminating modules (1 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * e + 253 and consists of 4 locations. One deterministic module has affine ranking function -2 * e + 253 and consists of 3 locations. One deterministic module has affine ranking function 2 * e + 255 and consists of 3 locations. One deterministic module has affine ranking function -2 * e + 253 and consists of 3 locations. One deterministic module has affine ranking function 2 * e + 255 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 40 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 36 states and ocurred in iteration 3. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 306 SDtfs, 269 SDslu, 36 SDs, 0 SdLazy, 38 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf95 lsp57 ukn100 mio100 lsp100 div605 bol100 ite100 ukn100 eq131 hnf43 smp92 dnf100 smp100 tf105 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 15ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...