./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0e04f2515dd5c7ce697460622800d33932bf1903 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:05:35,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:05:35,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:05:35,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:05:35,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:05:35,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:05:35,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:05:35,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:05:35,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:05:35,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:05:35,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:05:35,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:05:35,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:05:35,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:05:35,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:05:35,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:05:35,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:05:35,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:05:35,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:05:35,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:05:35,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:05:35,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:05:35,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:05:35,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:05:35,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:05:35,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:05:35,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:05:35,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:05:35,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:05:35,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:05:35,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:05:35,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:05:35,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:05:35,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:05:35,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:05:35,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:05:35,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:05:35,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:05:35,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:05:35,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:05:35,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:05:35,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:05:35,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:05:35,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:05:35,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:05:35,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:05:35,843 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:05:35,844 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:05:35,844 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:05:35,844 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:05:35,845 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:05:35,845 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:05:35,846 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:05:35,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:05:35,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:05:35,847 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:05:35,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:05:35,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:05:35,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:05:35,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:05:35,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:05:35,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:05:35,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:05:35,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:05:35,852 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:05:35,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:05:35,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:05:35,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:05:35,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:05:35,854 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:05:35,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:05:35,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:05:35,855 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:05:35,857 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:05:35,858 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 0e04f2515dd5c7ce697460622800d33932bf1903 [2019-11-28 03:05:36,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:05:36,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:05:36,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:05:36,175 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:05:36,175 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:05:36,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2019-11-28 03:05:36,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2270da6c/a460b954f5aa4a698a8b58069872b613/FLAGf6bb633f3 [2019-11-28 03:05:36,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:05:36,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2019-11-28 03:05:36,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2270da6c/a460b954f5aa4a698a8b58069872b613/FLAGf6bb633f3 [2019-11-28 03:05:37,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2270da6c/a460b954f5aa4a698a8b58069872b613 [2019-11-28 03:05:37,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:05:37,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:05:37,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:05:37,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:05:37,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:05:37,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4091a57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37, skipping insertion in model container [2019-11-28 03:05:37,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:05:37,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:05:37,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:05:37,396 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:05:37,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:05:37,535 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:05:37,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37 WrapperNode [2019-11-28 03:05:37,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:05:37,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:05:37,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:05:37,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:05:37,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:05:37,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:05:37,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:05:37,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:05:37,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... [2019-11-28 03:05:37,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:05:37,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:05:37,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:05:37,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:05:37,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:05:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:05:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:05:38,246 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:05:38,246 INFO L297 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-28 03:05:38,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:38 BoogieIcfgContainer [2019-11-28 03:05:38,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:05:38,248 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:05:38,248 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:05:38,252 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:05:38,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:05:38,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:05:37" (1/3) ... [2019-11-28 03:05:38,254 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cfea4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:38, skipping insertion in model container [2019-11-28 03:05:38,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:05:38,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:37" (2/3) ... [2019-11-28 03:05:38,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cfea4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:38, skipping insertion in model container [2019-11-28 03:05:38,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:05:38,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:38" (3/3) ... [2019-11-28 03:05:38,257 INFO L371 chiAutomizerObserver]: Analyzing ICFG soft_float_1-3a.c.cil.c [2019-11-28 03:05:38,300 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:05:38,301 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:05:38,301 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:05:38,301 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:05:38,301 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:05:38,301 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:05:38,302 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:05:38,302 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:05:38,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states. [2019-11-28 03:05:38,350 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2019-11-28 03:05:38,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:05:38,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:05:38,358 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:05:38,359 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:05:38,359 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:05:38,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states. [2019-11-28 03:05:38,366 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2019-11-28 03:05:38,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:05:38,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:05:38,367 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:05:38,367 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:05:38,375 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_#t~ret5, main_#t~ret6, main_#t~ret7, main_~a~0, main_~ma~2, main_~ea~2, main_~b~0, main_~mb~2, main_~eb~2, main_~r_add~0, main_~zero~0, main_~sa~0, main_~sb~0, main_~tmp~2, main_~tmp___0~0, main_~tmp___1~0, main_~tmp___2~0, main_~tmp___3~0, main_~tmp___4~0, main_~tmp___5~0, main_~tmp___6~0, main_~tmp___7~0, main_~tmp___8~0, main_~tmp___9~0, main_~__retres23~0;havoc main_~a~0;main_~ma~2 := main_#t~nondet0;havoc main_#t~nondet0;main_~ea~2 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~b~0;main_~mb~2 := main_#t~nondet2;havoc main_#t~nondet2;main_~eb~2 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~r_add~0;havoc main_~zero~0;havoc main_~sa~0;havoc main_~sb~0;havoc main_~tmp~2;havoc main_~tmp___0~0;havoc main_~tmp___1~0;havoc main_~tmp___2~0;havoc main_~tmp___3~0;havoc main_~tmp___4~0;havoc main_~tmp___5~0;havoc main_~tmp___6~0;havoc main_~tmp___7~0;havoc main_~tmp___8~0;havoc main_~tmp___9~0;havoc main_~__retres23~0;base2flt_#in~m, base2flt_#in~e := 0, 0;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 40#L19true assume !(0 == base2flt_~m % 4294967296); 27#L25true assume !(base2flt_~m % 4294967296 < 16777216); 19#L47-2true [2019-11-28 03:05:38,376 INFO L796 eck$LassoCheckResult]: Loop: 19#L47-2true assume !false; 33#L48true assume base2flt_~m % 4294967296 >= 33554432; 60#L49true assume !(base2flt_~e >= 127);base2flt_~e := 1 + base2flt_~e;base2flt_~m := base2flt_~m / 2; 19#L47-2true [2019-11-28 03:05:38,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:38,381 INFO L82 PathProgramCache]: Analyzing trace with hash 30973, now seen corresponding path program 1 times [2019-11-28 03:05:38,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:38,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469189005] [2019-11-28 03:05:38,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:05:38,553 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469189005] [2019-11-28 03:05:38,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:05:38,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 03:05:38,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082073825] [2019-11-28 03:05:38,561 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:05:38,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:38,561 INFO L82 PathProgramCache]: Analyzing trace with hash 73619, now seen corresponding path program 1 times [2019-11-28 03:05:38,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:38,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931510605] [2019-11-28 03:05:38,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:38,599 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:38,646 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:38,647 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:38,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:38,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:38,647 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:05:38,647 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:38,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:38,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:38,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2019-11-28 03:05:38,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:38,649 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:38,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:38,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:38,816 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:38,817 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:38,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:05:38,828 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:05:38,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:05:38,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:05:38,855 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:05:38,856 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:38,857 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:38,857 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:38,857 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:38,857 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:05:38,857 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:38,857 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:38,857 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:38,857 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2019-11-28 03:05:38,858 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:38,858 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:38,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:38,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:38,971 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:38,978 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:38,986 INFO L120 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 [2019-11-28 03:05:38,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:05:38,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:05:38,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:05:38,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:05:38,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:05:38,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:05:38,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:38,998 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:05:39,019 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:05:39,020 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:39,029 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:05:39,030 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:05:39,031 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:05:39,031 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = -2*ULTIMATE.start_base2flt_~e + 253 Supporting invariants [] [2019-11-28 03:05:39,037 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:05:39,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:39,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:05:39,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:39,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:05:39,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:05:39,109 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 [2019-11-28 03:05:39,111 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states. Second operand 3 states. [2019-11-28 03:05:39,196 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states.. Second operand 3 states. Result 264 states and 424 transitions. Complement of second has 6 states. [2019-11-28 03:05:39,197 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 [2019-11-28 03:05:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:05:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 277 transitions. [2019-11-28 03:05:39,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 277 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-28 03:05:39,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:39,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 277 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 03:05:39,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:39,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 277 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-28 03:05:39,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:39,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 264 states and 424 transitions. [2019-11-28 03:05:39,218 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2019-11-28 03:05:39,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 264 states to 56 states and 81 transitions. [2019-11-28 03:05:39,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2019-11-28 03:05:39,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2019-11-28 03:05:39,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 81 transitions. [2019-11-28 03:05:39,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:05:39,228 INFO L688 BuchiCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-11-28 03:05:39,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 81 transitions. [2019-11-28 03:05:39,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2019-11-28 03:05:39,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-28 03:05:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 69 transitions. [2019-11-28 03:05:39,261 INFO L711 BuchiCegarLoop]: Abstraction has 45 states and 69 transitions. [2019-11-28 03:05:39,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:05:39,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:05:39,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:05:39,265 INFO L87 Difference]: Start difference. First operand 45 states and 69 transitions. Second operand 3 states. [2019-11-28 03:05:39,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:05:39,317 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2019-11-28 03:05:39,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:05:39,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-11-28 03:05:39,320 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2019-11-28 03:05:39,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2019-11-28 03:05:39,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-11-28 03:05:39,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2019-11-28 03:05:39,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2019-11-28 03:05:39,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:05:39,322 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-11-28 03:05:39,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2019-11-28 03:05:39,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-11-28 03:05:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 03:05:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2019-11-28 03:05:39,325 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-11-28 03:05:39,325 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-11-28 03:05:39,326 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:05:39,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2019-11-28 03:05:39,327 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2019-11-28 03:05:39,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:05:39,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:05:39,328 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:05:39,328 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:05:39,328 INFO L794 eck$LassoCheckResult]: Stem: 483#ULTIMATE.startENTRY 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;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; 481#L19 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 469#L69 base2flt_#res := base2flt_~__retres4~0; 470#L70 main_#t~ret4 := base2flt_#res;main_~zero~0 := main_#t~ret4;havoc main_#t~ret4;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; 477#L19-1 assume !(0 == base2flt_~m % 4294967296); 480#L25-1 assume !(base2flt_~m % 4294967296 < 16777216); 474#L47-5 [2019-11-28 03:05:39,329 INFO L796 eck$LassoCheckResult]: Loop: 474#L47-5 assume !false; 462#L48-1 assume base2flt_~m % 4294967296 >= 33554432; 464#L49-1 assume !(base2flt_~e >= 127);base2flt_~e := 1 + base2flt_~e;base2flt_~m := base2flt_~m / 2; 474#L47-5 [2019-11-28 03:05:39,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:39,329 INFO L82 PathProgramCache]: Analyzing trace with hash 921737699, now seen corresponding path program 1 times [2019-11-28 03:05:39,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:39,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893473004] [2019-11-28 03:05:39,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,354 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:39,355 INFO L82 PathProgramCache]: Analyzing trace with hash 136178, now seen corresponding path program 1 times [2019-11-28 03:05:39,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:39,355 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472799623] [2019-11-28 03:05:39,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,370 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:39,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:39,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1761973968, now seen corresponding path program 1 times [2019-11-28 03:05:39,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:39,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336925176] [2019-11-28 03:05:39,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,422 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:39,452 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:39,453 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:39,453 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:39,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:39,453 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:05:39,453 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:39,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:39,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:39,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2019-11-28 03:05:39,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:39,454 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:39,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:39,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:39,570 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:39,570 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:39,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:05:39,577 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:39,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:05:39,588 INFO L440 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:39,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:05:39,605 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:39,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:05:39,626 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:39,636 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:05:39,638 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:39,639 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:39,639 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:39,639 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:39,639 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:05:39,639 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:39,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:39,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:39,640 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2019-11-28 03:05:39,640 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:39,640 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:39,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:39,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:39,754 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:39,754 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:39,769 INFO L120 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 [2019-11-28 03:05:39,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:05:39,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:05:39,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:05:39,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:05:39,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:05:39,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:05:39,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:39,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:39,796 INFO L120 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 [2019-11-28 03:05:39,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:05:39,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:05:39,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:05:39,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:05:39,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:05:39,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:05:39,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:39,804 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:05:39,807 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:05:39,807 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:05:39,814 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:05:39,814 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:05:39,814 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:05:39,814 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = -2*ULTIMATE.start_base2flt_~e + 253 Supporting invariants [] [2019-11-28 03:05:39,816 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:05:39,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:39,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:05:39,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:39,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:05:39,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:05:39,873 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 [2019-11-28 03:05:39,873 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 30 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-28 03:05:39,905 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 30 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 40 states and 50 transitions. Complement of second has 5 states. [2019-11-28 03:05:39,906 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 [2019-11-28 03:05:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:05:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2019-11-28 03:05:39,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 03:05:39,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:39,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 03:05:39,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:39,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-28 03:05:39,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:39,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2019-11-28 03:05:39,912 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2019-11-28 03:05:39,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 37 states and 46 transitions. [2019-11-28 03:05:39,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2019-11-28 03:05:39,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2019-11-28 03:05:39,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2019-11-28 03:05:39,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:05:39,918 INFO L688 BuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2019-11-28 03:05:39,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2019-11-28 03:05:39,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 26. [2019-11-28 03:05:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 03:05:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2019-11-28 03:05:39,923 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-28 03:05:39,924 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-28 03:05:39,924 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:05:39,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 34 transitions. [2019-11-28 03:05:39,925 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-28 03:05:39,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:05:39,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:05:39,925 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:05:39,925 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:05:39,926 INFO L794 eck$LassoCheckResult]: Stem: 595#ULTIMATE.startENTRY 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;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; 593#L19 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 581#L69 base2flt_#res := base2flt_~__retres4~0; 582#L70 main_#t~ret4 := base2flt_#res;main_~zero~0 := main_#t~ret4;havoc main_#t~ret4;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; 589#L19-1 assume !(0 == base2flt_~m % 4294967296); 592#L25-1 assume base2flt_~m % 4294967296 < 16777216; 597#L37-3 [2019-11-28 03:05:39,926 INFO L796 eck$LassoCheckResult]: Loop: 597#L37-3 assume !false; 587#L28-1 assume !(base2flt_~e <= -128);base2flt_~e := base2flt_~e - 1;base2flt_~m := 2 * base2flt_~m; 588#L37-2 assume base2flt_~m % 4294967296 < 16777216; 597#L37-3 [2019-11-28 03:05:39,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:39,926 INFO L82 PathProgramCache]: Analyzing trace with hash 921737673, now seen corresponding path program 1 times [2019-11-28 03:05:39,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:39,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102219921] [2019-11-28 03:05:39,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,971 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:39,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:39,972 INFO L82 PathProgramCache]: Analyzing trace with hash 110419, now seen corresponding path program 1 times [2019-11-28 03:05:39,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:39,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346814675] [2019-11-28 03:05:39,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:39,988 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:39,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:39,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1761173643, now seen corresponding path program 1 times [2019-11-28 03:05:39,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:39,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037146728] [2019-11-28 03:05:39,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:40,054 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:40,080 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:40,080 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:40,080 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:40,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:40,081 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:05:40,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:40,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:40,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2019-11-28 03:05:40,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:40,082 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:40,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:40,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:40,168 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:40,168 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:40,174 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:05:40,174 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,187 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:05:40,187 INFO L440 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:40,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:05:40,202 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:40,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:05:40,228 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,238 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:05:40,240 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:40,240 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:40,241 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:40,241 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:40,241 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:05:40,241 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,241 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:40,241 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:40,241 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2019-11-28 03:05:40,241 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:40,242 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:40,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:40,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:40,338 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:40,338 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:40,357 INFO L120 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 [2019-11-28 03:05:40,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:05:40,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:05:40,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:05:40,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:05:40,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:05:40,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:05:40,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:40,384 INFO L120 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 [2019-11-28 03:05:40,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:05:40,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:05:40,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:05:40,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:05:40,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:05:40,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:05:40,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,391 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:05:40,394 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:05:40,394 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:40,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:05:40,412 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:05:40,412 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:05:40,412 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = 2*ULTIMATE.start_base2flt_~e + 255 Supporting invariants [] [2019-11-28 03:05:40,417 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:40,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:05:40,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:40,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:05:40,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:40,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:05:40,487 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 [2019-11-28 03:05:40,488 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 34 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-11-28 03:05:40,502 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 34 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 44 states and 55 transitions. Complement of second has 5 states. [2019-11-28 03:05:40,503 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 [2019-11-28 03:05:40,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:05:40,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2019-11-28 03:05:40,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 03:05:40,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:40,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 03:05:40,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:40,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-28 03:05:40,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:40,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 55 transitions. [2019-11-28 03:05:40,506 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2019-11-28 03:05:40,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 41 states and 51 transitions. [2019-11-28 03:05:40,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2019-11-28 03:05:40,508 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2019-11-28 03:05:40,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2019-11-28 03:05:40,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:05:40,509 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2019-11-28 03:05:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2019-11-28 03:05:40,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2019-11-28 03:05:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 03:05:40,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2019-11-28 03:05:40,512 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-28 03:05:40,512 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-28 03:05:40,512 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:05:40,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2019-11-28 03:05:40,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-28 03:05:40,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:05:40,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:05:40,514 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:05:40,515 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:05:40,515 INFO L794 eck$LassoCheckResult]: Stem: 715#ULTIMATE.startENTRY 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;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; 712#L19 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 699#L69 base2flt_#res := base2flt_~__retres4~0; 700#L70 main_#t~ret4 := base2flt_#res;main_~zero~0 := main_#t~ret4;havoc main_#t~ret4;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; 708#L19-1 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 703#L69-1 base2flt_#res := base2flt_~__retres4~0; 701#L70-1 main_#t~ret5 := base2flt_#res;main_~a~0 := main_#t~ret5;havoc main_#t~ret5;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; 702#L19-2 assume !(0 == base2flt_~m % 4294967296); 709#L25-2 assume !(base2flt_~m % 4294967296 < 16777216); 696#L47-8 [2019-11-28 03:05:40,515 INFO L796 eck$LassoCheckResult]: Loop: 696#L47-8 assume !false; 710#L48-2 assume base2flt_~m % 4294967296 >= 33554432; 695#L49-2 assume !(base2flt_~e >= 127);base2flt_~e := 1 + base2flt_~e;base2flt_~m := base2flt_~m / 2; 696#L47-8 [2019-11-28 03:05:40,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:40,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1760951196, now seen corresponding path program 1 times [2019-11-28 03:05:40,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:40,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390390799] [2019-11-28 03:05:40,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:40,545 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:40,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:40,551 INFO L82 PathProgramCache]: Analyzing trace with hash 198737, now seen corresponding path program 1 times [2019-11-28 03:05:40,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:40,553 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686044432] [2019-11-28 03:05:40,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:40,573 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:40,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:40,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1766695638, now seen corresponding path program 1 times [2019-11-28 03:05:40,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:40,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669474563] [2019-11-28 03:05:40,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:40,649 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:40,683 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:40,683 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:40,683 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:40,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:40,683 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:05:40,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:40,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:40,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2019-11-28 03:05:40,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:40,684 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:40,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:40,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:40,789 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:40,789 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:40,799 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:05:40,799 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:05:40,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:05:40,828 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:05:40,831 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:40,831 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:40,831 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:40,831 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:40,831 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:05:40,831 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,832 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:40,832 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:40,832 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2019-11-28 03:05:40,832 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:40,832 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:40,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:40,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:40,926 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:40,926 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:40,941 INFO L120 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 [2019-11-28 03:05:40,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:05:40,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:05:40,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:05:40,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:05:40,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:05:40,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:05:40,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:40,950 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:05:40,954 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:05:40,954 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:40,960 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:05:40,960 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:05:40,960 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:05:40,960 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = -2*ULTIMATE.start_base2flt_~e + 253 Supporting invariants [] [2019-11-28 03:05:40,963 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:41,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:41,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:05:41,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:41,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:05:41,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:05:41,050 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 [2019-11-28 03:05:41,050 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-28 03:05:41,062 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 32 states and 42 transitions. Complement of second has 4 states. [2019-11-28 03:05:41,063 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 [2019-11-28 03:05:41,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:05:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2019-11-28 03:05:41,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 30 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 03:05:41,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:41,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 30 transitions. Stem has 12 letters. Loop has 3 letters. [2019-11-28 03:05:41,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:41,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 30 transitions. Stem has 9 letters. Loop has 6 letters. [2019-11-28 03:05:41,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:41,065 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2019-11-28 03:05:41,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:05:41,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 26 states and 34 transitions. [2019-11-28 03:05:41,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-28 03:05:41,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-28 03:05:41,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2019-11-28 03:05:41,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:05:41,068 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-28 03:05:41,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2019-11-28 03:05:41,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-28 03:05:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 03:05:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2019-11-28 03:05:41,073 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-28 03:05:41,073 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-28 03:05:41,074 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 03:05:41,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 34 transitions. [2019-11-28 03:05:41,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:05:41,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:05:41,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:05:41,075 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:05:41,075 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:05:41,076 INFO L794 eck$LassoCheckResult]: Stem: 828#ULTIMATE.startENTRY 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;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; 825#L19 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 813#L69 base2flt_#res := base2flt_~__retres4~0; 814#L70 main_#t~ret4 := base2flt_#res;main_~zero~0 := main_#t~ret4;havoc main_#t~ret4;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; 822#L19-1 assume 0 == base2flt_~m % 4294967296;base2flt_~__retres4~0 := 0; 817#L69-1 base2flt_#res := base2flt_~__retres4~0; 815#L70-1 main_#t~ret5 := base2flt_#res;main_~a~0 := main_#t~ret5;havoc main_#t~ret5;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; 816#L19-2 assume !(0 == base2flt_~m % 4294967296); 823#L25-2 assume base2flt_~m % 4294967296 < 16777216; 827#L37-5 [2019-11-28 03:05:41,076 INFO L796 eck$LassoCheckResult]: Loop: 827#L37-5 assume !false; 811#L28-2 assume !(base2flt_~e <= -128);base2flt_~e := base2flt_~e - 1;base2flt_~m := 2 * base2flt_~m; 812#L37-4 assume base2flt_~m % 4294967296 < 16777216; 827#L37-5 [2019-11-28 03:05:41,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:41,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1760951170, now seen corresponding path program 1 times [2019-11-28 03:05:41,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:41,077 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942300819] [2019-11-28 03:05:41,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:41,122 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:41,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:41,123 INFO L82 PathProgramCache]: Analyzing trace with hash 172978, now seen corresponding path program 1 times [2019-11-28 03:05:41,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:41,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918303880] [2019-11-28 03:05:41,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:41,135 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:41,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:41,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1765895313, now seen corresponding path program 1 times [2019-11-28 03:05:41,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:41,137 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069749141] [2019-11-28 03:05:41,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:41,182 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:41,218 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:41,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:41,218 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:41,218 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:41,219 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:05:41,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:41,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:41,219 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:41,219 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2019-11-28 03:05:41,219 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:41,219 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:41,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:41,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:41,296 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:41,296 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:41,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:05:41,304 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:41,327 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:05:41,327 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:05:41,336 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:05:41,339 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:05:41,339 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:05:41,339 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:05:41,339 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:05:41,339 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:05:41,339 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:41,339 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:05:41,339 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:05:41,340 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2019-11-28 03:05:41,340 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:05:41,340 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:05:41,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:41,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:05:41,418 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:05:41,418 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:41,426 INFO L120 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 [2019-11-28 03:05:41,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:05:41,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:05:41,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:05:41,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:05:41,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:05:41,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:05:41,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:41,433 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:05:41,437 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:05:41,438 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:05:41,443 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:05:41,443 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:05:41,443 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:05:41,443 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e) = 2*ULTIMATE.start_base2flt_~e + 255 Supporting invariants [] [2019-11-28 03:05:41,452 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:05:41,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:41,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:05:41,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:05:41,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:05:41,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:05:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:05:41,511 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 [2019-11-28 03:05:41,511 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 34 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-28 03:05:41,518 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 34 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 30 states and 38 transitions. Complement of second has 4 states. [2019-11-28 03:05:41,519 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 [2019-11-28 03:05:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:05:41,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2019-11-28 03:05:41,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 03:05:41,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:41,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 12 letters. Loop has 3 letters. [2019-11-28 03:05:41,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:41,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 9 letters. Loop has 6 letters. [2019-11-28 03:05:41,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:05:41,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2019-11-28 03:05:41,522 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:05:41,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2019-11-28 03:05:41,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:05:41,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:05:41,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:05:41,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:05:41,524 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:05:41,524 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:05:41,524 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:05:41,524 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-28 03:05:41,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:05:41,525 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:05:41,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:05:41,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:05:41 BoogieIcfgContainer [2019-11-28 03:05:41,533 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:05:41,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:05:41,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:05:41,535 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:05:41,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:38" (3/4) ... [2019-11-28 03:05:41,539 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:05:41,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:05:41,543 INFO L168 Benchmark]: Toolchain (without parser) took 4456.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.7 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:41,544 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:05:41,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:41,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.86 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. [2019-11-28 03:05:41,551 INFO L168 Benchmark]: Boogie Preprocessor took 36.32 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:41,552 INFO L168 Benchmark]: RCFGBuilder took 626.48 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: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:41,559 INFO L168 Benchmark]: BuchiAutomizer took 3285.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:41,560 INFO L168 Benchmark]: Witness Printer took 5.96 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:05:41,572 INFO L335 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 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.86 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. * Boogie Preprocessor took 36.32 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 626.48 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: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3285.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.96 ms. Allocated memory is still 1.3 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 3.2s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. 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, 34 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 3. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 275 SDtfs, 243 SDslu, 26 SDs, 0 SdLazy, 38 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf95 lsp57 ukn100 mio100 lsp100 div583 bol100 ite100 ukn100 eq132 hnf44 smp92 dnf100 smp100 tf105 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 51ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...