./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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_d7822933-f061-490d-937a-382c37d54958/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 0.1.23-1dbac8b [2018-10-27 06:06:50,558 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:06:50,559 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:06:50,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:06:50,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:06:50,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:06:50,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:06:50,572 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:06:50,573 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:06:50,574 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:06:50,575 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:06:50,575 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:06:50,576 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:06:50,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:06:50,578 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:06:50,578 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:06:50,579 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:06:50,581 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:06:50,582 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:06:50,583 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:06:50,584 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:06:50,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:06:50,587 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:06:50,587 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:06:50,588 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:06:50,588 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:06:50,589 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:06:50,589 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:06:50,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:06:50,592 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:06:50,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:06:50,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:06:50,592 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:06:50,593 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:06:50,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:06:50,594 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:06:50,594 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:06:50,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:06:50,607 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:06:50,608 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:06:50,608 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:06:50,608 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:06:50,608 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:06:50,608 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:06:50,609 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:06:50,609 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:06:50,609 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:06:50,609 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:06:50,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:06:50,609 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:06:50,609 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:06:50,610 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:06:50,610 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:06:50,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:06:50,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:06:50,610 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:06:50,610 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:06:50,611 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:06:50,611 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:06:50,613 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:06:50,613 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:06:50,613 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:06:50,613 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:06:50,613 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:06:50,613 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:06:50,614 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:06:50,614 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:06:50,615 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:06:50,615 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_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:50,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:06:50,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:06:50,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:06:50,655 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:06:50,655 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:06:50,656 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c [2018-10-27 06:06:50,699 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/bin-2019/uautomizer/data/3dc6ddd72/6c9175ab65d34f189e3bf7518eaa87aa/FLAG87461567b [2018-10-27 06:06:51,101 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:06:51,102 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/sv-benchmarks/c/bitvector/soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c [2018-10-27 06:06:51,107 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/bin-2019/uautomizer/data/3dc6ddd72/6c9175ab65d34f189e3bf7518eaa87aa/FLAG87461567b [2018-10-27 06:06:51,118 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/bin-2019/uautomizer/data/3dc6ddd72/6c9175ab65d34f189e3bf7518eaa87aa [2018-10-27 06:06:51,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:06:51,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:06:51,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:51,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:06:51,126 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:06:51,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aa830b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51, skipping insertion in model container [2018-10-27 06:06:51,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:06:51,165 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:06:51,321 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:51,327 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:06:51,378 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:51,391 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:06:51,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51 WrapperNode [2018-10-27 06:06:51,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:51,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:51,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:06:51,392 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:06:51,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:51,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:06:51,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:06:51,434 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:06:51,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... [2018-10-27 06:06:51,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:06:51,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:06:51,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:06:51,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:06:51,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:06:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:06:52,337 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:06:52,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:52 BoogieIcfgContainer [2018-10-27 06:06:52,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:06:52,338 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:06:52,338 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:06:52,341 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:06:52,342 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:52,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:06:51" (1/3) ... [2018-10-27 06:06:52,343 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60809774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:52, skipping insertion in model container [2018-10-27 06:06:52,343 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:52,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:51" (2/3) ... [2018-10-27 06:06:52,344 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60809774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:52, skipping insertion in model container [2018-10-27 06:06:52,344 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:52,344 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:52" (3/3) ... [2018-10-27 06:06:52,345 INFO L375 chiAutomizerObserver]: Analyzing ICFG soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c [2018-10-27 06:06:52,392 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:06:52,393 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:06:52,393 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:06:52,393 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:06:52,393 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:06:52,394 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:06:52,394 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:06:52,394 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:06:52,394 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:06:52,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states. [2018-10-27 06:06:52,434 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2018-10-27 06:06:52,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:52,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:52,440 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-10-27 06:06:52,440 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:06:52,440 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:06:52,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states. [2018-10-27 06:06:52,445 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2018-10-27 06:06:52,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:52,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:52,446 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-10-27 06:06:52,446 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:06:52,453 INFO L793 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_#t~ret5, main_#t~ret6, main_#t~ret7, main_~a~0, main_~ma~2, main_~ea~2, main_~b~0, main_~mb~2, main_~eb~2, main_~r_add~0, main_~zero~0, main_~sa~0, main_~sb~0, main_~tmp~2, main_~tmp___0~0, main_~tmp___1~0, main_~tmp___2~0, main_~tmp___3~0, main_~tmp___4~0, main_~tmp___5~0, main_~tmp___6~0, main_~tmp___7~0, main_~tmp___8~0, main_~tmp___9~0, main_~__retres23~0;havoc main_~a~0;main_~ma~2 := main_#t~nondet0;havoc main_#t~nondet0;main_~ea~2 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~b~0;main_~mb~2 := main_#t~nondet2;havoc main_#t~nondet2;main_~eb~2 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~r_add~0;havoc main_~zero~0;havoc main_~sa~0;havoc main_~sb~0;havoc main_~tmp~2;havoc main_~tmp___0~0;havoc main_~tmp___1~0;havoc main_~tmp___2~0;havoc main_~tmp___3~0;havoc main_~tmp___4~0;havoc main_~tmp___5~0;havoc main_~tmp___6~0;havoc main_~tmp___7~0;havoc main_~tmp___8~0;havoc main_~tmp___9~0;havoc main_~__retres23~0;assume { :begin_inline_base2flt } true;base2flt_#in~m, base2flt_#in~e := 0, 0;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 37#L19true assume !(base2flt_~m % 4294967296 == 0); 23#L25true assume !(base2flt_~m % 4294967296 < 16777216); 15#L47-3true [2018-10-27 06:06:52,453 INFO L795 eck$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 := base2flt_~e + 1;base2flt_~m := base2flt_~m / 2; 15#L47-3true [2018-10-27 06:06:52,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:52,458 INFO L82 PathProgramCache]: Analyzing trace with hash 925697, now seen corresponding path program 1 times [2018-10-27 06:06:52,461 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:52,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:52,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:52,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:52,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:52,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:06:52,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 06:06:52,645 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-10-27 06:06:52,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:52,646 INFO L82 PathProgramCache]: Analyzing trace with hash 2191759, now seen corresponding path program 1 times [2018-10-27 06:06:52,646 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:52,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:52,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:52,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:52,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:52,767 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:52,768 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:52,768 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:52,768 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:52,768 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:52,768 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:52,769 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:52,772 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:52,772 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration1_Loop [2018-10-27 06:06:52,772 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:52,772 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:52,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:52,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:53,048 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:53,049 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:53,055 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:53,056 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:53,077 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:53,077 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:53,096 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:53,097 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:53,097 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:53,097 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:53,097 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:53,097 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:53,098 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:53,098 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:53,098 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:53,098 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration1_Loop [2018-10-27 06:06:53,098 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:53,098 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:53,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:53,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:53,203 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:53,207 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:53,208 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 [2018-10-27 06:06:53,209 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:53,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:53,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:53,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:53,210 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:53,215 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:53,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:53,221 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:53,225 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:06:53,227 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-10-27 06:06:53,229 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:53,229 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:06:53,230 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:53,230 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = -2*ULTIMATE.start_base2flt_~e + 253 Supporting invariants [] [2018-10-27 06:06:53,231 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:06:53,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:53,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:53,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:53,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:53,448 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 [2018-10-27 06:06:53,449 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states. Second operand 3 states. [2018-10-27 06:06:53,577 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. [2018-10-27 06:06:53,578 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 [2018-10-27 06:06:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:06:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 286 transitions. [2018-10-27 06:06:53,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 286 transitions. Stem has 4 letters. Loop has 4 letters. [2018-10-27 06:06:53,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:53,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 286 transitions. Stem has 8 letters. Loop has 4 letters. [2018-10-27 06:06:53,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:53,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 286 transitions. Stem has 4 letters. Loop has 8 letters. [2018-10-27 06:06:53,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:53,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 433 transitions. [2018-10-27 06:06:53,593 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 36 [2018-10-27 06:06:53,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 68 states and 93 transitions. [2018-10-27 06:06:53,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2018-10-27 06:06:53,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2018-10-27 06:06:53,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 93 transitions. [2018-10-27 06:06:53,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:06:53,600 INFO L705 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2018-10-27 06:06:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 93 transitions. [2018-10-27 06:06:53,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 55. [2018-10-27 06:06:53,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-27 06:06:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2018-10-27 06:06:53,628 INFO L728 BuchiCegarLoop]: Abstraction has 55 states and 79 transitions. [2018-10-27 06:06:53,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:06:53,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:06:53,631 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2018-10-27 06:06:53,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:06:53,747 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2018-10-27 06:06:53,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:06:53,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2018-10-27 06:06:53,748 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2018-10-27 06:06:53,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 35 transitions. [2018-10-27 06:06:53,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2018-10-27 06:06:53,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2018-10-27 06:06:53,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2018-10-27 06:06:53,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:53,749 INFO L705 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2018-10-27 06:06:53,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2018-10-27 06:06:53,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-10-27 06:06:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-10-27 06:06:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2018-10-27 06:06:53,750 INFO L728 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2018-10-27 06:06:53,750 INFO L608 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2018-10-27 06:06:53,750 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:06:53,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2018-10-27 06:06:53,751 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2018-10-27 06:06:53,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:53,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:53,752 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:53,752 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:06:53,752 INFO L793 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 base2flt_~m % 4294967296 == 0;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 !(base2flt_~m % 4294967296 == 0); 520#L25-1 assume !(base2flt_~m % 4294967296 < 16777216); 511#L47-7 [2018-10-27 06:06:53,752 INFO L795 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 := base2flt_~e + 1;base2flt_~m := base2flt_~m / 2; 511#L47-7 [2018-10-27 06:06:53,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:53,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1806689378, now seen corresponding path program 1 times [2018-10-27 06:06:53,753 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:53,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:53,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:53,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:53,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:53,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:53,767 INFO L82 PathProgramCache]: Analyzing trace with hash 4192719, now seen corresponding path program 1 times [2018-10-27 06:06:53,767 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:53,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:53,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:53,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:53,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:53,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:53,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1900755536, now seen corresponding path program 1 times [2018-10-27 06:06:53,777 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:53,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:53,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:53,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:53,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:53,832 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:53,832 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:53,832 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:53,832 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:53,833 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:53,835 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:53,835 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:53,835 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:53,836 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration2_Loop [2018-10-27 06:06:53,836 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:53,836 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:53,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:53,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:53,962 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:53,963 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:53,965 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:53,965 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:54,066 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:54,066 INFO L446 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_d7822933-f061-490d-937a-382c37d54958/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) [2018-10-27 06:06:54,104 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:54,105 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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) [2018-10-27 06:06:54,142 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:54,142 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:54,183 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:54,184 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:54,184 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:54,184 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:54,184 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:54,185 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:54,185 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:54,185 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:54,185 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:54,185 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration2_Loop [2018-10-27 06:06:54,185 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:54,185 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:54,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:54,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:54,355 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:54,356 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:54,356 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 [2018-10-27 06:06:54,356 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:54,357 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:54,357 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:54,357 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:54,357 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:54,358 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:54,358 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:54,365 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:54,365 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 [2018-10-27 06:06:54,366 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:54,366 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:54,366 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:54,366 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:54,366 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:54,367 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:54,367 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:54,371 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:54,373 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:06:54,373 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-10-27 06:06:54,374 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:54,374 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:06:54,374 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:54,374 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = -2*ULTIMATE.start_base2flt_~e + 253 Supporting invariants [] [2018-10-27 06:06:54,375 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:06:54,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:54,431 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:54,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:54,441 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 [2018-10-27 06:06:54,441 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 35 transitions. cyclomatic complexity: 11 Second operand 3 states. [2018-10-27 06:06:54,451 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. [2018-10-27 06:06:54,452 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 [2018-10-27 06:06:54,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:06:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2018-10-27 06:06:54,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 7 letters. Loop has 4 letters. [2018-10-27 06:06:54,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:54,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 11 letters. Loop has 4 letters. [2018-10-27 06:06:54,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:54,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 37 transitions. Stem has 7 letters. Loop has 8 letters. [2018-10-27 06:06:54,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:54,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2018-10-27 06:06:54,454 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 20 [2018-10-27 06:06:54,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 45 states and 54 transitions. [2018-10-27 06:06:54,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2018-10-27 06:06:54,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2018-10-27 06:06:54,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 54 transitions. [2018-10-27 06:06:54,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:06:54,456 INFO L705 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2018-10-27 06:06:54,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 54 transitions. [2018-10-27 06:06:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 32. [2018-10-27 06:06:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-10-27 06:06:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2018-10-27 06:06:54,458 INFO L728 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-10-27 06:06:54,458 INFO L608 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-10-27 06:06:54,458 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-10-27 06:06:54,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 40 transitions. [2018-10-27 06:06:54,459 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2018-10-27 06:06:54,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:54,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:54,459 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:54,459 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:06:54,460 INFO L793 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 base2flt_~m % 4294967296 == 0;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 !(base2flt_~m % 4294967296 == 0); 652#L25-1 assume base2flt_~m % 4294967296 < 16777216; 654#L37-3 [2018-10-27 06:06:54,460 INFO L795 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 := base2flt_~m * 2; 660#L37-2 assume base2flt_~m % 4294967296 < 16777216; 654#L37-3 [2018-10-27 06:06:54,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:54,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1806689351, now seen corresponding path program 1 times [2018-10-27 06:06:54,460 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:54,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:54,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:54,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:54,473 INFO L82 PathProgramCache]: Analyzing trace with hash 3361610, now seen corresponding path program 1 times [2018-10-27 06:06:54,473 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:54,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:54,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:54,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:54,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1926521712, now seen corresponding path program 1 times [2018-10-27 06:06:54,483 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:54,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:54,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:54,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,544 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:54,544 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:54,544 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:54,544 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:54,544 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:54,544 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:54,544 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:54,544 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:54,544 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration3_Loop [2018-10-27 06:06:54,544 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:54,545 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:54,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:54,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:54,607 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:54,607 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:54,609 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:54,609 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:54,619 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:54,620 INFO L446 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_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:54,637 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:54,637 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:54,675 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:54,676 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:54,693 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:54,695 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:54,695 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:54,695 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:54,695 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:54,696 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:54,696 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:54,696 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:54,696 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:54,696 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration3_Loop [2018-10-27 06:06:54,696 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:54,696 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:54,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:54,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:54,795 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:54,795 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:54,796 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 [2018-10-27 06:06:54,796 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:54,796 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:54,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:54,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:54,797 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:54,798 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:54,798 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:54,803 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:54,803 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 [2018-10-27 06:06:54,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:54,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:54,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:54,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:54,804 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:54,805 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:54,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:54,810 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:54,812 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:06:54,812 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-10-27 06:06:54,813 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:54,813 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:06:54,813 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:54,813 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = 2*ULTIMATE.start_base2flt_~e + 255 Supporting invariants [] [2018-10-27 06:06:54,813 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:06:54,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:54,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:54,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:54,872 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 [2018-10-27 06:06:54,872 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 40 transitions. cyclomatic complexity: 12 Second operand 4 states. [2018-10-27 06:06:54,893 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. [2018-10-27 06:06:54,895 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 [2018-10-27 06:06:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:06:54,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2018-10-27 06:06:54,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 7 letters. Loop has 4 letters. [2018-10-27 06:06:54,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:54,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 11 letters. Loop has 4 letters. [2018-10-27 06:06:54,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:54,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 7 letters. Loop has 8 letters. [2018-10-27 06:06:54,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:54,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 64 transitions. [2018-10-27 06:06:54,897 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2018-10-27 06:06:54,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 50 states and 60 transitions. [2018-10-27 06:06:54,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2018-10-27 06:06:54,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2018-10-27 06:06:54,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 60 transitions. [2018-10-27 06:06:54,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:06:54,899 INFO L705 BuchiCegarLoop]: Abstraction has 50 states and 60 transitions. [2018-10-27 06:06:54,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 60 transitions. [2018-10-27 06:06:54,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 36. [2018-10-27 06:06:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-10-27 06:06:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2018-10-27 06:06:54,900 INFO L728 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2018-10-27 06:06:54,901 INFO L608 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2018-10-27 06:06:54,901 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-10-27 06:06:54,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2018-10-27 06:06:54,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2018-10-27 06:06:54,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:54,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:54,902 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:54,902 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:06:54,902 INFO L793 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 base2flt_~m % 4294967296 == 0;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 base2flt_~m % 4294967296 == 0;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 !(base2flt_~m % 4294967296 == 0); 791#L25-2 assume !(base2flt_~m % 4294967296 < 16777216); 774#L47-11 [2018-10-27 06:06:54,902 INFO L795 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 := base2flt_~e + 1;base2flt_~m := base2flt_~m / 2; 774#L47-11 [2018-10-27 06:06:54,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:54,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1447775102, now seen corresponding path program 1 times [2018-10-27 06:06:54,903 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:54,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:54,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:54,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:54,922 INFO L82 PathProgramCache]: Analyzing trace with hash 6193679, now seen corresponding path program 1 times [2018-10-27 06:06:54,922 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:54,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:54,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:54,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:54,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1615655408, now seen corresponding path program 1 times [2018-10-27 06:06:54,932 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:54,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:54,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:54,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:55,069 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:55,069 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:55,069 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:55,069 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:55,069 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:55,069 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:55,069 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:55,069 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:55,069 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration4_Loop [2018-10-27 06:06:55,070 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:55,070 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:55,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:55,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:55,352 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-27 06:06:55,474 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2018-10-27 06:06:55,514 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:55,514 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:55,517 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:55,517 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:55,537 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:55,537 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:55,587 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:55,593 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:55,593 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:55,593 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:55,593 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:55,593 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:55,593 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:55,593 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:55,593 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:55,593 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration4_Loop [2018-10-27 06:06:55,593 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:55,593 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:55,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:55,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:55,664 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:55,664 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:55,666 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 [2018-10-27 06:06:55,666 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:55,666 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:55,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:55,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:55,667 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:55,667 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:55,667 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:55,670 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:55,671 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:06:55,672 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-10-27 06:06:55,672 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:55,672 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:06:55,672 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:55,672 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = -2*ULTIMATE.start_base2flt_~e + 253 Supporting invariants [] [2018-10-27 06:06:55,673 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:06:55,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:55,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:55,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:55,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:55,710 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 [2018-10-27 06:06:55,710 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 13 Second operand 3 states. [2018-10-27 06:06:55,739 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. [2018-10-27 06:06:55,740 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 [2018-10-27 06:06:55,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:06:55,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2018-10-27 06:06:55,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 4 letters. [2018-10-27 06:06:55,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:55,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 14 letters. Loop has 4 letters. [2018-10-27 06:06:55,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:55,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 8 letters. [2018-10-27 06:06:55,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:55,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2018-10-27 06:06:55,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-10-27 06:06:55,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 32 states and 40 transitions. [2018-10-27 06:06:55,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2018-10-27 06:06:55,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2018-10-27 06:06:55,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 40 transitions. [2018-10-27 06:06:55,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:06:55,743 INFO L705 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-10-27 06:06:55,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 40 transitions. [2018-10-27 06:06:55,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-10-27 06:06:55,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-10-27 06:06:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2018-10-27 06:06:55,744 INFO L728 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-10-27 06:06:55,744 INFO L608 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-10-27 06:06:55,744 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-10-27 06:06:55,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 40 transitions. [2018-10-27 06:06:55,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-10-27 06:06:55,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:55,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:55,745 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:55,745 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-10-27 06:06:55,746 INFO L793 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 base2flt_~m % 4294967296 == 0;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 base2flt_~m % 4294967296 == 0;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 !(base2flt_~m % 4294967296 == 0); 927#L25-2 assume base2flt_~m % 4294967296 < 16777216; 936#L37-5 [2018-10-27 06:06:55,746 INFO L795 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 := base2flt_~m * 2; 916#L37-4 assume base2flt_~m % 4294967296 < 16777216; 936#L37-5 [2018-10-27 06:06:55,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:55,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1447775129, now seen corresponding path program 1 times [2018-10-27 06:06:55,746 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:55,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:55,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:55,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:55,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:55,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:55,778 INFO L82 PathProgramCache]: Analyzing trace with hash 5362570, now seen corresponding path program 1 times [2018-10-27 06:06:55,778 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:55,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:55,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:55,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:55,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:55,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:55,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1641421584, now seen corresponding path program 1 times [2018-10-27 06:06:55,783 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:55,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:55,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:55,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:55,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:55,846 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:55,846 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:55,846 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:55,846 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:55,846 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:55,846 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:55,847 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:55,847 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:55,847 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration5_Loop [2018-10-27 06:06:55,847 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:55,847 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:55,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:55,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:55,923 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:55,924 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:55,926 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:55,926 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7822933-f061-490d-937a-382c37d54958/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 [2018-10-27 06:06:55,945 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:55,945 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:55,962 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:55,963 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:55,963 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:55,963 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:55,963 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:55,963 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:55,964 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:55,964 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:55,964 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:55,964 INFO L131 ssoRankerPreferences]: Filename of dumped script: soft_float_1_true-unreach-call_true-no-overflow_true-termination.c.cil.c_Iteration5_Loop [2018-10-27 06:06:55,964 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:55,964 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:55,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:55,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:56,024 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:56,026 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:56,027 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 [2018-10-27 06:06:56,027 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,027 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,027 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,028 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,028 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:56,028 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:56,028 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,030 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:56,031 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:06:56,031 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-10-27 06:06:56,031 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:56,031 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:06:56,031 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:56,031 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = 2*ULTIMATE.start_base2flt_~e + 255 Supporting invariants [] [2018-10-27 06:06:56,032 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:06:56,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:56,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:56,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:56,084 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 [2018-10-27 06:06:56,084 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 40 transitions. cyclomatic complexity: 11 Second operand 4 states. [2018-10-27 06:06:56,115 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. [2018-10-27 06:06:56,116 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 [2018-10-27 06:06:56,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:06:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2018-10-27 06:06:56,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 10 letters. Loop has 4 letters. [2018-10-27 06:06:56,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:56,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 14 letters. Loop has 4 letters. [2018-10-27 06:06:56,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:56,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 10 letters. Loop has 8 letters. [2018-10-27 06:06:56,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:56,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2018-10-27 06:06:56,118 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:56,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2018-10-27 06:06:56,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:06:56,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:06:56,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:06:56,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:56,119 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:56,119 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:56,119 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:56,119 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-10-27 06:06:56,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:06:56,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:56,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:06:56,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:06:56 BoogieIcfgContainer [2018-10-27 06:06:56,130 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:06:56,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:06:56,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:06:56,132 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:06:56,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:52" (3/4) ... [2018-10-27 06:06:56,135 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:06:56,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:06:56,136 INFO L168 Benchmark]: Toolchain (without parser) took 5014.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 961.1 MB in the beginning and 1.1 GB in the end (delta: -99.2 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:56,137 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:56,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.67 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 945.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:56,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.59 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:56,138 INFO L168 Benchmark]: Boogie Preprocessor took 98.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 942.4 MB in the beginning and 1.2 GB in the end (delta: -208.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:56,138 INFO L168 Benchmark]: RCFGBuilder took 805.87 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: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:56,142 INFO L168 Benchmark]: BuchiAutomizer took 3791.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:56,142 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:56,145 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.67 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 945.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.59 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 942.4 MB in the beginning and 1.2 GB in the end (delta: -208.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 805.87 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: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3791.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 3.7s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. 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, 0.2s 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: 22ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...