./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_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 --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 95f89ee6bcff8f17eb3e93b344abecdfb8ddea0894d1b25afafccf6235d7ced6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:32:01,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:32:01,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 15:32:01,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:32:01,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:32:01,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:32:01,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:32:01,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:32:01,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:32:01,177 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:32:01,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:32:01,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:32:01,178 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:32:01,179 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:32:01,179 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:32:01,180 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:32:01,180 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:32:01,181 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:32:01,181 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:32:01,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:32:01,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:32:01,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:32:01,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:32:01,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:32:01,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:32:01,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:32:01,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:32:01,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:32:01,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:32:01,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:32:01,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:32:01,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:32:01,186 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:32:01,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:32:01,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:32:01,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:32:01,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:32:01,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:32:01,187 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:32:01,187 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95f89ee6bcff8f17eb3e93b344abecdfb8ddea0894d1b25afafccf6235d7ced6 [2024-11-09 15:32:01,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:32:01,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:32:01,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:32:01,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:32:01,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:32:01,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c [2024-11-09 15:32:02,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:32:02,920 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:32:02,921 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c [2024-11-09 15:32:02,927 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fb0ff666/81f2e182b72a455ca11fef255060248f/FLAGc776833ee [2024-11-09 15:32:02,937 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fb0ff666/81f2e182b72a455ca11fef255060248f [2024-11-09 15:32:02,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:32:02,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:32:02,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:32:02,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:32:02,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:32:02,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:32:02" (1/1) ... [2024-11-09 15:32:02,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e975149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:02, skipping insertion in model container [2024-11-09 15:32:02,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:32:02" (1/1) ... [2024-11-09 15:32:02,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:32:03,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:32:03,137 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:32:03,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:32:03,181 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:32:03,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03 WrapperNode [2024-11-09 15:32:03,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:32:03,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:32:03,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:32:03,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:32:03,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,246 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 11, calls inlined = 9, statements flattened = 376 [2024-11-09 15:32:03,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:32:03,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:32:03,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:32:03,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:32:03,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,298 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 15:32:03,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:32:03,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:32:03,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:32:03,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:32:03,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (1/1) ... [2024-11-09 15:32:03,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:03,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:03,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-09 15:32:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:32:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:32:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:32:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:32:03,462 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:32:03,463 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:32:03,820 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-09 15:32:03,820 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:32:03,834 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:32:03,834 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-09 15:32:03,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:32:03 BoogieIcfgContainer [2024-11-09 15:32:03,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:32:03,835 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:32:03,835 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:32:03,838 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:32:03,839 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:32:03,839 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:32:02" (1/3) ... [2024-11-09 15:32:03,840 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2066c5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:32:03, skipping insertion in model container [2024-11-09 15:32:03,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:32:03,840 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:32:03" (2/3) ... [2024-11-09 15:32:03,840 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2066c5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:32:03, skipping insertion in model container [2024-11-09 15:32:03,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:32:03,841 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:32:03" (3/3) ... [2024-11-09 15:32:03,841 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_3a.c.cil.c [2024-11-09 15:32:03,886 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:32:03,886 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:32:03,886 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:32:03,887 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:32:03,887 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:32:03,887 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:32:03,887 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:32:03,887 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:32:03,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.6695652173913043) internal successors, (192), 115 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:03,907 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 24 [2024-11-09 15:32:03,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:32:03,907 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:32:03,912 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-09 15:32:03,912 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:32:03,912 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:32:03,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.6695652173913043) internal successors, (192), 115 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:03,918 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 24 [2024-11-09 15:32:03,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:32:03,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:32:03,919 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-09 15:32:03,919 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:32:03,924 INFO L745 eck$LassoCheckResult]: Stem: 31#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 43#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 77#L29true assume !(0 == base2flt_~m#1 % 4294967296); 98#L35true assume !(base2flt_~m#1 % 4294967296 < 16777216); 57#L57-2true [2024-11-09 15:32:03,925 INFO L747 eck$LassoCheckResult]: Loop: 57#L57-2true assume !false; 42#L58true assume base2flt_~m#1 % 4294967296 >= 33554432; 87#L59true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 57#L57-2true [2024-11-09 15:32:03,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:03,929 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2024-11-09 15:32:03,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:03,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585521812] [2024-11-09 15:32:03,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:03,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:04,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:32:04,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585521812] [2024-11-09 15:32:04,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585521812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:32:04,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:32:04,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 15:32:04,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240774149] [2024-11-09 15:32:04,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:32:04,129 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:32:04,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:04,131 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2024-11-09 15:32:04,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:04,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100051390] [2024-11-09 15:32:04,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:04,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:04,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:32:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:04,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:32:04,196 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:04,197 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:04,197 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:04,197 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:04,197 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:32:04,197 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:04,197 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:04,198 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:04,198 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration1_Loop [2024-11-09 15:32:04,198 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:04,198 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:04,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:04,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:04,329 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:04,334 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:32:04,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:04,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:04,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:04,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-09 15:32:04,349 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:32:04,349 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:04,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-09 15:32:04,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:04,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:04,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:04,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-09 15:32:04,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:32:04,408 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:04,435 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:32:04,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-09 15:32:04,440 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:04,440 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:04,440 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:04,440 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:04,440 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:32:04,441 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:04,441 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:04,441 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:04,441 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration1_Loop [2024-11-09 15:32:04,441 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:04,441 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:04,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:04,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:04,521 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:04,525 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:32:04,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:04,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:04,528 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:04,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-09 15:32:04,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:04,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:04,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:04,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:04,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:04,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:04,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:04,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:04,545 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:32:04,552 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:32:04,552 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:32:04,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:04,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:04,563 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:04,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-09 15:32:04,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:32:04,567 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:32:04,567 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:32:04,568 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-09 15:32:04,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-09 15:32:04,581 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:32:04,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:04,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:32:04,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:04,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:32:04,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:04,657 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-09 15:32:04,659 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 116 states, 115 states have (on average 1.6695652173913043) internal successors, (192), 115 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:04,751 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 116 states, 115 states have (on average 1.6695652173913043) internal successors, (192), 115 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 344 states and 561 transitions. Complement of second has 6 states. [2024-11-09 15:32:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:32:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:04,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 370 transitions. [2024-11-09 15:32:04,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 4 letters. Loop has 3 letters. [2024-11-09 15:32:04,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:04,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-09 15:32:04,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:04,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-09 15:32:04,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:04,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 344 states and 561 transitions. [2024-11-09 15:32:04,775 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 39 [2024-11-09 15:32:04,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 344 states to 121 states and 186 transitions. [2024-11-09 15:32:04,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 117 [2024-11-09 15:32:04,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 118 [2024-11-09 15:32:04,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 186 transitions. [2024-11-09 15:32:04,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:04,787 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 186 transitions. [2024-11-09 15:32:04,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 186 transitions. [2024-11-09 15:32:04,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 103. [2024-11-09 15:32:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.5825242718446602) internal successors, (163), 102 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 163 transitions. [2024-11-09 15:32:04,818 INFO L240 hiAutomatonCegarLoop]: Abstraction has 103 states and 163 transitions. [2024-11-09 15:32:04,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:32:04,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:32:04,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:32:04,825 INFO L87 Difference]: Start difference. First operand 103 states and 163 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:04,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:32:04,888 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2024-11-09 15:32:04,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 70 transitions. [2024-11-09 15:32:04,889 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-11-09 15:32:04,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 49 states and 70 transitions. [2024-11-09 15:32:04,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2024-11-09 15:32:04,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-09 15:32:04,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 70 transitions. [2024-11-09 15:32:04,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:32:04,891 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-09 15:32:04,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 70 transitions. [2024-11-09 15:32:04,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-09 15:32:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 48 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:04,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-11-09 15:32:04,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-09 15:32:04,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:32:04,898 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-09 15:32:04,898 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:32:04,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 70 transitions. [2024-11-09 15:32:04,899 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-11-09 15:32:04,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:32:04,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:32:04,899 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:32:04,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:32:04,899 INFO L745 eck$LassoCheckResult]: Stem: 692#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 693#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 688#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 689#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 684#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 685#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 698#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 691#L47-3 [2024-11-09 15:32:04,900 INFO L747 eck$LassoCheckResult]: Loop: 691#L47-3 assume !false; 686#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 687#L47-2 assume base2flt_~m#1 % 4294967296 < 16777216; 691#L47-3 [2024-11-09 15:32:04,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:04,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397383, now seen corresponding path program 1 times [2024-11-09 15:32:04,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:04,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487008513] [2024-11-09 15:32:04,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:04,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:04,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:32:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:04,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:32:04,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:04,919 INFO L85 PathProgramCache]: Analyzing trace with hash 136237, now seen corresponding path program 1 times [2024-11-09 15:32:04,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:04,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254976938] [2024-11-09 15:32:04,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:04,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:04,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:32:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:04,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:32:04,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:04,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1829446553, now seen corresponding path program 1 times [2024-11-09 15:32:04,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:04,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576605339] [2024-11-09 15:32:04,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:04,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:04,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:32:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:04,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:32:04,982 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:04,982 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:04,982 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:04,982 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:04,982 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:32:04,982 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:04,983 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:04,983 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:04,983 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration2_Loop [2024-11-09 15:32:04,983 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:04,983 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:04,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:04,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:05,068 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:05,068 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:32:05,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,070 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-09 15:32:05,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:32:05,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:05,093 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:32:05,093 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-09 15:32:05,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-09 15:32:05,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,099 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-09 15:32:05,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:32:05,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:05,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-09 15:32:05,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,125 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-09 15:32:05,127 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:32:05,127 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:05,153 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:32:05,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-09 15:32:05,159 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:05,159 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:05,159 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:05,159 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:05,159 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:32:05,159 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,159 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:05,159 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:05,159 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration2_Loop [2024-11-09 15:32:05,159 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:05,159 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:05,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:05,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:05,256 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:05,256 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:32:05,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,258 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-09 15:32:05,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:05,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:05,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:05,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:05,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:05,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:05,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:05,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:05,274 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:32:05,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-09 15:32:05,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,287 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-09 15:32:05,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:05,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:05,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:05,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:05,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:05,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:05,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:05,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:05,302 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:32:05,304 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:32:05,304 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:32:05,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,306 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-09 15:32:05,308 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:32:05,308 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:32:05,308 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:32:05,308 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-09 15:32:05,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-09 15:32:05,321 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:32:05,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:05,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:32:05,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:05,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:32:05,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:05,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:05,380 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-09 15:32:05,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 70 transitions. cyclomatic complexity: 27 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:05,398 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 70 transitions. cyclomatic complexity: 27. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 96 states and 135 transitions. Complement of second has 5 states. [2024-11-09 15:32:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:32:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-11-09 15:32:05,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 78 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-09 15:32:05,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:05,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 78 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-09 15:32:05,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:05,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 78 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-09 15:32:05,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:05,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 135 transitions. [2024-11-09 15:32:05,401 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2024-11-09 15:32:05,402 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 89 states and 126 transitions. [2024-11-09 15:32:05,402 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2024-11-09 15:32:05,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2024-11-09 15:32:05,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 126 transitions. [2024-11-09 15:32:05,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:05,403 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-11-09 15:32:05,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 126 transitions. [2024-11-09 15:32:05,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 52. [2024-11-09 15:32:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 51 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-09 15:32:05,405 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-09 15:32:05,405 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-09 15:32:05,405 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 15:32:05,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 74 transitions. [2024-11-09 15:32:05,406 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2024-11-09 15:32:05,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:32:05,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:32:05,406 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:32:05,406 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:32:05,406 INFO L745 eck$LassoCheckResult]: Stem: 889#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 890#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 884#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 885#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 879#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 880#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 895#L35-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 867#L57-5 [2024-11-09 15:32:05,407 INFO L747 eck$LassoCheckResult]: Loop: 867#L57-5 assume !false; 864#L58-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 865#L59-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 867#L57-5 [2024-11-09 15:32:05,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:05,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397409, now seen corresponding path program 1 times [2024-11-09 15:32:05,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:05,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506927210] [2024-11-09 15:32:05,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:05,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:05,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:32:05,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506927210] [2024-11-09 15:32:05,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506927210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:32:05,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:32:05,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 15:32:05,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706475245] [2024-11-09 15:32:05,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:32:05,468 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:32:05,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:05,468 INFO L85 PathProgramCache]: Analyzing trace with hash 161996, now seen corresponding path program 1 times [2024-11-09 15:32:05,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:05,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249575702] [2024-11-09 15:32:05,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:05,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:05,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:32:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:05,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:32:05,518 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:05,518 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:05,518 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:05,518 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:05,518 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:32:05,519 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,522 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:05,522 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:05,522 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration3_Loop [2024-11-09 15:32:05,522 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:05,522 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:05,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:05,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:05,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:05,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:05,648 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:05,649 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:32:05,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,650 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-09 15:32:05,652 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:32:05,652 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:05,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-09 15:32:05,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,676 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-09 15:32:05,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:32:05,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:05,700 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:32:05,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:05,705 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:05,705 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:05,705 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:05,705 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:05,705 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:32:05,705 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,705 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:05,705 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:05,705 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration3_Loop [2024-11-09 15:32:05,705 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:05,705 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:05,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:05,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:05,774 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:05,776 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:32:05,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,778 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-09 15:32:05,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:05,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:05,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:05,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:05,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:05,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:05,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:05,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:05,796 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:32:05,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-09 15:32:05,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,812 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-09 15:32:05,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:05,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:05,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:05,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:05,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:05,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:05,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:05,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:05,828 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:32:05,830 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:32:05,830 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:32:05,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:05,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:05,831 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:05,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-09 15:32:05,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:32:05,834 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:32:05,834 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:32:05,834 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-09 15:32:05,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-09 15:32:05,845 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:32:05,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:05,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:32:05,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:05,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:32:05,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:05,875 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-09 15:32:05,876 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 74 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:05,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 74 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 138 transitions. Complement of second has 5 states. [2024-11-09 15:32:05,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:32:05,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:05,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2024-11-09 15:32:05,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 77 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-09 15:32:05,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:05,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 77 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-09 15:32:05,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:05,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 77 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-09 15:32:05,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:05,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 138 transitions. [2024-11-09 15:32:05,893 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 24 [2024-11-09 15:32:05,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 91 states and 129 transitions. [2024-11-09 15:32:05,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2024-11-09 15:32:05,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 85 [2024-11-09 15:32:05,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 129 transitions. [2024-11-09 15:32:05,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:05,895 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-11-09 15:32:05,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 129 transitions. [2024-11-09 15:32:05,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 55. [2024-11-09 15:32:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2024-11-09 15:32:05,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 78 transitions. [2024-11-09 15:32:05,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:32:05,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:32:05,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:32:05,898 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:05,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:32:05,950 INFO L93 Difference]: Finished difference Result 53 states and 71 transitions. [2024-11-09 15:32:05,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 71 transitions. [2024-11-09 15:32:05,950 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-09 15:32:05,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 53 states and 71 transitions. [2024-11-09 15:32:05,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2024-11-09 15:32:05,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-09 15:32:05,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 71 transitions. [2024-11-09 15:32:05,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:05,951 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 71 transitions. [2024-11-09 15:32:05,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 71 transitions. [2024-11-09 15:32:05,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2024-11-09 15:32:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 48 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 67 transitions. [2024-11-09 15:32:05,953 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 67 transitions. [2024-11-09 15:32:05,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:32:05,958 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 67 transitions. [2024-11-09 15:32:05,958 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-09 15:32:05,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 67 transitions. [2024-11-09 15:32:05,958 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-09 15:32:05,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:32:05,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:32:05,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:32:05,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:32:05,959 INFO L745 eck$LassoCheckResult]: Stem: 1204#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 1171#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1172#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1201#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1195#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1196#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 1176#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 1177#L47-3 assume !false; 1199#L38-1 assume base2flt_~e#1 <= -128;base2flt_~__retres4~0#1 := 0; 1187#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1169#base2flt_returnLabel#2 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~one~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1170#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 1192#L35-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 1193#L57-8 [2024-11-09 15:32:05,959 INFO L747 eck$LassoCheckResult]: Loop: 1193#L57-8 assume !false; 1185#L58-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 1186#L59-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 1193#L57-8 [2024-11-09 15:32:05,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:05,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2092843178, now seen corresponding path program 1 times [2024-11-09 15:32:05,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:05,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792830211] [2024-11-09 15:32:05,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:05,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:06,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:32:06,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792830211] [2024-11-09 15:32:06,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792830211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:32:06,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:32:06,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 15:32:06,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421675850] [2024-11-09 15:32:06,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:32:06,020 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:32:06,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:06,020 INFO L85 PathProgramCache]: Analyzing trace with hash 249380, now seen corresponding path program 1 times [2024-11-09 15:32:06,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:06,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384318738] [2024-11-09 15:32:06,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:06,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:06,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:32:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:06,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:32:06,052 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:06,052 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:06,052 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:06,052 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:06,052 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:32:06,052 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,052 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:06,052 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:06,052 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration4_Loop [2024-11-09 15:32:06,053 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:06,053 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:06,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:06,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:06,115 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:06,115 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:32:06,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:06,117 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:06,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-09 15:32:06,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:32:06,119 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:06,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-09 15:32:06,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:06,142 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:06,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-09 15:32:06,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:32:06,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:06,171 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:32:06,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:06,176 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:06,176 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:06,176 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:06,176 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:06,176 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:32:06,176 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,176 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:06,176 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:06,177 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration4_Loop [2024-11-09 15:32:06,177 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:06,177 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:06,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:06,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:06,245 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:06,246 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:32:06,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:06,248 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:06,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-09 15:32:06,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:06,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:06,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:06,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:06,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:06,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:06,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:06,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:06,262 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:32:06,266 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:32:06,266 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:32:06,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:06,268 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:06,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-09 15:32:06,270 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:32:06,270 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:32:06,270 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:32:06,270 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-09 15:32:06,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-09 15:32:06,282 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:32:06,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:06,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:32:06,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:06,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:32:06,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:06,330 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-09 15:32:06,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 67 transitions. cyclomatic complexity: 23 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:06,347 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 67 transitions. cyclomatic complexity: 23. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 103 transitions. Complement of second has 5 states. [2024-11-09 15:32:06,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:32:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2024-11-09 15:32:06,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 70 transitions. Stem has 13 letters. Loop has 3 letters. [2024-11-09 15:32:06,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:06,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 70 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-09 15:32:06,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:06,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 70 transitions. Stem has 13 letters. Loop has 6 letters. [2024-11-09 15:32:06,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:06,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 103 transitions. [2024-11-09 15:32:06,351 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2024-11-09 15:32:06,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 70 states and 94 transitions. [2024-11-09 15:32:06,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2024-11-09 15:32:06,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2024-11-09 15:32:06,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 94 transitions. [2024-11-09 15:32:06,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:06,351 INFO L218 hiAutomatonCegarLoop]: Abstraction has 70 states and 94 transitions. [2024-11-09 15:32:06,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 94 transitions. [2024-11-09 15:32:06,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 52. [2024-11-09 15:32:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 51 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2024-11-09 15:32:06,357 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 71 transitions. [2024-11-09 15:32:06,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:32:06,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:32:06,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:32:06,357 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:06,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:32:06,383 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2024-11-09 15:32:06,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 72 transitions. [2024-11-09 15:32:06,384 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-09 15:32:06,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 53 states and 71 transitions. [2024-11-09 15:32:06,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2024-11-09 15:32:06,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2024-11-09 15:32:06,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 71 transitions. [2024-11-09 15:32:06,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:06,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 71 transitions. [2024-11-09 15:32:06,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 71 transitions. [2024-11-09 15:32:06,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2024-11-09 15:32:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 51 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions. [2024-11-09 15:32:06,386 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 70 transitions. [2024-11-09 15:32:06,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:32:06,387 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 70 transitions. [2024-11-09 15:32:06,387 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-09 15:32:06,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 70 transitions. [2024-11-09 15:32:06,387 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-09 15:32:06,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:32:06,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:32:06,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:32:06,391 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:32:06,391 INFO L745 eck$LassoCheckResult]: Stem: 1505#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 1469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1470#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1501#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1495#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1496#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 1474#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 1475#L47-3 assume !false; 1500#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1487#L47-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1489#L47-3 assume !false; 1499#L38-1 assume base2flt_~e#1 <= -128;base2flt_~__retres4~0#1 := 0; 1491#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1467#base2flt_returnLabel#2 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~one~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1468#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 1492#L35-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1494#L47-5 [2024-11-09 15:32:06,392 INFO L747 eck$LassoCheckResult]: Loop: 1494#L47-5 assume !false; 1498#L38-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1503#L47-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1494#L47-5 [2024-11-09 15:32:06,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:06,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1820795632, now seen corresponding path program 1 times [2024-11-09 15:32:06,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:06,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126908132] [2024-11-09 15:32:06,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:06,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:06,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:32:06,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126908132] [2024-11-09 15:32:06,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126908132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:32:06,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102467857] [2024-11-09 15:32:06,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:06,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:32:06,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:06,452 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:32:06,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 15:32:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:06,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:32:06,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:06,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:32:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:06,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102467857] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:32:06,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:32:06,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 15:32:06,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010328611] [2024-11-09 15:32:06,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:32:06,534 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:32:06,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:06,534 INFO L85 PathProgramCache]: Analyzing trace with hash 223621, now seen corresponding path program 1 times [2024-11-09 15:32:06,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:06,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407138402] [2024-11-09 15:32:06,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:06,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:06,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:32:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:06,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:32:06,566 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:06,566 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:06,567 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:06,567 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:06,567 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:32:06,567 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,567 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:06,567 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:06,567 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration5_Loop [2024-11-09 15:32:06,567 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:06,567 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:06,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:06,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:06,685 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:06,685 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:32:06,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:06,690 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:06,693 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:32:06,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:06,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-09 15:32:06,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-09 15:32:06,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:06,738 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:06,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-09 15:32:06,744 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:32:06,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:06,772 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:32:06,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:06,778 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:06,778 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:06,778 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:06,778 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:06,778 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:32:06,779 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,779 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:06,779 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:06,779 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration5_Loop [2024-11-09 15:32:06,779 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:06,779 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:06,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:06,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:06,862 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:06,862 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:32:06,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:06,866 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:06,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-09 15:32:06,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:06,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:06,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:06,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:06,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:06,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:06,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:06,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:06,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:06,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:06,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:32:06,917 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:32:06,917 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:32:06,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:06,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:06,920 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:06,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-09 15:32:06,921 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:32:06,921 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:32:06,921 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:32:06,921 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-09 15:32:06,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:06,933 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:32:06,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:06,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:32:06,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:07,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:32:07,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:07,019 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-09 15:32:07,019 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 70 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,050 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 70 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 81 states and 107 transitions. Complement of second has 5 states. [2024-11-09 15:32:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:32:07,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-11-09 15:32:07,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 71 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-09 15:32:07,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:07,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 71 transitions. Stem has 19 letters. Loop has 3 letters. [2024-11-09 15:32:07,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:07,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 71 transitions. Stem has 16 letters. Loop has 6 letters. [2024-11-09 15:32:07,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:07,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 107 transitions. [2024-11-09 15:32:07,052 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-09 15:32:07,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 74 states and 98 transitions. [2024-11-09 15:32:07,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2024-11-09 15:32:07,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2024-11-09 15:32:07,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 98 transitions. [2024-11-09 15:32:07,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:07,053 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 98 transitions. [2024-11-09 15:32:07,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 98 transitions. [2024-11-09 15:32:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 55. [2024-11-09 15:32:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 54 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2024-11-09 15:32:07,055 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 74 transitions. [2024-11-09 15:32:07,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:32:07,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 15:32:07,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 15:32:07,056 INFO L87 Difference]: Start difference. First operand 55 states and 74 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:32:07,133 INFO L93 Difference]: Finished difference Result 92 states and 126 transitions. [2024-11-09 15:32:07,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 126 transitions. [2024-11-09 15:32:07,134 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-09 15:32:07,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 86 states and 120 transitions. [2024-11-09 15:32:07,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2024-11-09 15:32:07,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2024-11-09 15:32:07,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 120 transitions. [2024-11-09 15:32:07,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:07,135 INFO L218 hiAutomatonCegarLoop]: Abstraction has 86 states and 120 transitions. [2024-11-09 15:32:07,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 120 transitions. [2024-11-09 15:32:07,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 63. [2024-11-09 15:32:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 62 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 85 transitions. [2024-11-09 15:32:07,137 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 85 transitions. [2024-11-09 15:32:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 15:32:07,145 INFO L425 stractBuchiCegarLoop]: Abstraction has 63 states and 85 transitions. [2024-11-09 15:32:07,145 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-09 15:32:07,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 85 transitions. [2024-11-09 15:32:07,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-09 15:32:07,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:32:07,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:32:07,146 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:32:07,146 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:32:07,146 INFO L745 eck$LassoCheckResult]: Stem: 1959#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 1919#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1920#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1953#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1944#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1945#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 1924#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 1925#L47-3 assume !false; 1957#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1966#L47-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 1939#$Ultimate##64 assume 0 == base2flt_~m#1 % 4294967296;base2flt_#t~bitwise4#1 := 0; 1907#L76-9 base2flt_~m#1 := base2flt_#t~bitwise4#1;havoc base2flt_#t~bitwise4#1; 1908#L77-6 assume 0 == base2flt_~m#1 % 4294967296 || base2flt_~m#1 % 4294967296 == 16777216 * ((128 + base2flt_~e#1) % 4294967296) % 4294967296;base2flt_#t~bitwise5#1 := 16777216 * ((128 + base2flt_~e#1) % 4294967296); 1905#L77-11 base2flt_~res~0#1 := base2flt_#t~bitwise5#1;havoc base2flt_#t~bitwise5#1;base2flt_~__retres4~0#1 := base2flt_~res~0#1; 1940#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1917#base2flt_returnLabel#2 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~one~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1918#L29-2 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1909#L79-2 base2flt_#res#1 := base2flt_~__retres4~0#1; 1910#base2flt_returnLabel#3 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1956#L29-3 assume !(0 == base2flt_~m#1 % 4294967296); 1921#L35-3 assume base2flt_~m#1 % 4294967296 < 16777216; 1922#L47-7 [2024-11-09 15:32:07,147 INFO L747 eck$LassoCheckResult]: Loop: 1922#L47-7 assume !false; 1913#L38-3 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1914#L47-6 assume base2flt_~m#1 % 4294967296 < 16777216; 1922#L47-7 [2024-11-09 15:32:07,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:07,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1123658843, now seen corresponding path program 1 times [2024-11-09 15:32:07,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:07,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226112962] [2024-11-09 15:32:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:07,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:07,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:32:07,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226112962] [2024-11-09 15:32:07,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226112962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:32:07,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:32:07,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 15:32:07,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571137111] [2024-11-09 15:32:07,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:32:07,177 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:32:07,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:07,178 INFO L85 PathProgramCache]: Analyzing trace with hash 311005, now seen corresponding path program 1 times [2024-11-09 15:32:07,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:07,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322283016] [2024-11-09 15:32:07,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:07,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:07,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:32:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:07,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:32:07,225 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:07,225 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:07,225 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:07,225 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:07,225 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:32:07,225 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:07,225 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:07,226 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:07,226 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration6_Loop [2024-11-09 15:32:07,226 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:07,226 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:07,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:07,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:07,349 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:07,350 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:32:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:07,351 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:07,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-09 15:32:07,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:32:07,354 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:07,375 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:32:07,375 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-09 15:32:07,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-09 15:32:07,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:07,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:07,384 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:07,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-09 15:32:07,387 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:32:07,387 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:07,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:07,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:07,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:07,418 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:07,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-09 15:32:07,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:32:07,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:07,450 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:32:07,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-09 15:32:07,457 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:07,457 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:07,457 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:07,457 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:07,457 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:32:07,457 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:07,457 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:07,457 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:07,457 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration6_Loop [2024-11-09 15:32:07,457 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:07,457 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:07,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:07,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:07,601 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:07,601 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:32:07,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:07,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:07,603 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:07,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-09 15:32:07,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:07,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:07,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:07,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:07,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:07,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:07,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:07,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:07,622 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:32:07,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:07,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:07,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:07,634 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:07,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-09 15:32:07,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:07,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:07,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:07,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:07,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:07,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:07,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:07,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:07,649 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:32:07,651 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:32:07,651 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:32:07,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:07,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:07,653 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:07,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-09 15:32:07,654 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:32:07,654 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:32:07,655 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:32:07,655 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-09 15:32:07,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:07,668 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:32:07,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:07,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:32:07,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:07,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:32:07,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:07,753 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-09 15:32:07,753 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 85 transitions. cyclomatic complexity: 27 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,760 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 85 transitions. cyclomatic complexity: 27. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 89 transitions. Complement of second has 4 states. [2024-11-09 15:32:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:32:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2024-11-09 15:32:07,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 64 transitions. Stem has 21 letters. Loop has 3 letters. [2024-11-09 15:32:07,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:07,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 64 transitions. Stem has 24 letters. Loop has 3 letters. [2024-11-09 15:32:07,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:07,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 64 transitions. Stem has 21 letters. Loop has 6 letters. [2024-11-09 15:32:07,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:07,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 89 transitions. [2024-11-09 15:32:07,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:32:07,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 60 states and 81 transitions. [2024-11-09 15:32:07,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2024-11-09 15:32:07,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2024-11-09 15:32:07,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 81 transitions. [2024-11-09 15:32:07,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:07,763 INFO L218 hiAutomatonCegarLoop]: Abstraction has 60 states and 81 transitions. [2024-11-09 15:32:07,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 81 transitions. [2024-11-09 15:32:07,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-09 15:32:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.35) internal successors, (81), 59 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 81 transitions. [2024-11-09 15:32:07,765 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 81 transitions. [2024-11-09 15:32:07,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:32:07,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 15:32:07,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 15:32:07,766 INFO L87 Difference]: Start difference. First operand 60 states and 81 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:32:07,866 INFO L93 Difference]: Finished difference Result 69 states and 91 transitions. [2024-11-09 15:32:07,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 91 transitions. [2024-11-09 15:32:07,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:32:07,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 91 transitions. [2024-11-09 15:32:07,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51 [2024-11-09 15:32:07,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51 [2024-11-09 15:32:07,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 91 transitions. [2024-11-09 15:32:07,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:32:07,867 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 91 transitions. [2024-11-09 15:32:07,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 91 transitions. [2024-11-09 15:32:07,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 62. [2024-11-09 15:32:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 61 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2024-11-09 15:32:07,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 83 transitions. [2024-11-09 15:32:07,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 15:32:07,875 INFO L425 stractBuchiCegarLoop]: Abstraction has 62 states and 83 transitions. [2024-11-09 15:32:07,875 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-09 15:32:07,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 83 transitions. [2024-11-09 15:32:07,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-09 15:32:07,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:32:07,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:32:07,876 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 15:32:07,876 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:32:07,876 INFO L745 eck$LassoCheckResult]: Stem: 2304#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3); 2266#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_mul~0#1, main_~zero~0#1, main_~one~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~__retres16~0#1;havoc main_~a~0#1;havoc main_#t~nondet15#1;main_~ma~2#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;main_~ea~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_~b~0#1;havoc main_#t~nondet17#1;main_~mb~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;main_~eb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_~r_mul~0#1;havoc main_~zero~0#1;havoc main_~one~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~__retres16~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 2267#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 2299#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 2290#base2flt_returnLabel#1 main_#t~ret19#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret19#1;havoc main_#t~ret19#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 1, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 2291#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 2270#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 2271#L47-3 assume !false; 2298#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 2283#L47-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 2285#$Ultimate##64 assume !(0 == base2flt_~m#1 % 4294967296); 2262#L76-6 assume 4278190079 == base2flt_~m#1 % 4294967296;base2flt_#t~bitwise4#1 := base2flt_~m#1; 2256#L76-9 base2flt_~m#1 := base2flt_#t~bitwise4#1;havoc base2flt_#t~bitwise4#1; 2257#L77-6 assume 0 == base2flt_~m#1 % 4294967296 || base2flt_~m#1 % 4294967296 == 16777216 * ((128 + base2flt_~e#1) % 4294967296) % 4294967296;base2flt_#t~bitwise5#1 := 16777216 * ((128 + base2flt_~e#1) % 4294967296); 2254#L77-11 base2flt_~res~0#1 := base2flt_#t~bitwise5#1;havoc base2flt_#t~bitwise5#1;base2flt_~__retres4~0#1 := base2flt_~res~0#1; 2286#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 2264#base2flt_returnLabel#2 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~one~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 2265#L29-2 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 2258#L79-2 base2flt_#res#1 := base2flt_~__retres4~0#1; 2259#base2flt_returnLabel#3 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 2302#L29-3 assume !(0 == base2flt_~m#1 % 4294967296); 2268#L35-3 assume !(base2flt_~m#1 % 4294967296 < 16777216); 2269#L57-11 [2024-11-09 15:32:07,876 INFO L747 eck$LassoCheckResult]: Loop: 2269#L57-11 assume !false; 2272#L58-3 assume base2flt_~m#1 % 4294967296 >= 33554432; 2273#L59-3 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 2269#L57-11 [2024-11-09 15:32:07,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:07,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1482624755, now seen corresponding path program 1 times [2024-11-09 15:32:07,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:07,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467701225] [2024-11-09 15:32:07,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:07,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:07,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:07,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:32:07,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467701225] [2024-11-09 15:32:07,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467701225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:32:07,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:32:07,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:32:07,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903017327] [2024-11-09 15:32:07,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:32:07,951 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:32:07,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:07,951 INFO L85 PathProgramCache]: Analyzing trace with hash 336764, now seen corresponding path program 1 times [2024-11-09 15:32:07,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:32:07,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058019757] [2024-11-09 15:32:07,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:32:07,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:32:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:07,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:32:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:32:07,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:32:07,982 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:07,983 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:07,983 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:07,983 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:07,983 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:32:07,983 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:07,983 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:07,983 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:07,983 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration7_Loop [2024-11-09 15:32:07,983 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:07,983 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:07,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:07,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:08,061 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:08,062 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:32:08,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:08,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:08,064 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:08,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-09 15:32:08,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:32:08,067 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:08,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:08,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:08,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:08,091 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:08,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-09 15:32:08,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:32:08,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:32:08,115 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:32:08,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-09 15:32:08,120 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:32:08,120 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:32:08,120 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:32:08,120 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:32:08,120 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:32:08,120 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:08,120 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:32:08,120 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:32:08,120 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_3a.c.cil.c_Iteration7_Loop [2024-11-09 15:32:08,120 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:32:08,120 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:32:08,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:08,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:32:08,229 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:32:08,230 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:32:08,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:08,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:08,232 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:08,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-09 15:32:08,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:08,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:08,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:08,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:08,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:08,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:08,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:08,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:08,254 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:32:08,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:08,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:08,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:08,268 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:08,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-09 15:32:08,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:32:08,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:32:08,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:32:08,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:32:08,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:32:08,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:32:08,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:32:08,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:32:08,286 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:32:08,288 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:32:08,288 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:32:08,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:32:08,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:32:08,290 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:32:08,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-09 15:32:08,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:32:08,292 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:32:08,292 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:32:08,292 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-09 15:32:08,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:08,303 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:32:08,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:32:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:08,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:32:08,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:32:08,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:32:08,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:32:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:32:08,359 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-09 15:32:08,359 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 83 transitions. cyclomatic complexity: 25 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:08,363 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 83 transitions. cyclomatic complexity: 25. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 87 transitions. Complement of second has 4 states. [2024-11-09 15:32:08,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:32:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 58 transitions. [2024-11-09 15:32:08,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 58 transitions. Stem has 22 letters. Loop has 3 letters. [2024-11-09 15:32:08,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:08,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 58 transitions. Stem has 25 letters. Loop has 3 letters. [2024-11-09 15:32:08,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:08,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 58 transitions. Stem has 22 letters. Loop has 6 letters. [2024-11-09 15:32:08,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:32:08,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 87 transitions. [2024-11-09 15:32:08,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:32:08,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 0 states and 0 transitions. [2024-11-09 15:32:08,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:32:08,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:32:08,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:32:08,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:32:08,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:32:08,365 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:32:08,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:32:08,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:32:08,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:32:08,366 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:32:08,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:32:08,366 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-09 15:32:08,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-09 15:32:08,366 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:32:08,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 15:32:08,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:32:08,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:32:08,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:32:08,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:32:08,366 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:32:08,366 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:32:08,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 15:32:08,366 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:32:08,366 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-09 15:32:08,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:32:08,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:32:08,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:32:08,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:32:08 BoogieIcfgContainer [2024-11-09 15:32:08,372 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:32:08,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:32:08,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:32:08,373 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:32:08,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:32:03" (3/4) ... [2024-11-09 15:32:08,374 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:32:08,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:32:08,375 INFO L158 Benchmark]: Toolchain (without parser) took 5435.55ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 86.8MB in the beginning and 69.8MB in the end (delta: 17.0MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-11-09 15:32:08,375 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 110.7MB in the beginning and 110.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:32:08,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.95ms. Allocated memory is still 159.4MB. Free memory was 86.6MB in the beginning and 71.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 15:32:08,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.10ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 71.5MB in the beginning and 185.0MB in the end (delta: -113.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-09 15:32:08,376 INFO L158 Benchmark]: Boogie Preprocessor took 64.23ms. Allocated memory is still 213.9MB. Free memory was 185.0MB in the beginning and 183.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:32:08,376 INFO L158 Benchmark]: RCFGBuilder took 504.79ms. Allocated memory is still 213.9MB. Free memory was 183.0MB in the beginning and 151.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 15:32:08,376 INFO L158 Benchmark]: BuchiAutomizer took 4536.81ms. Allocated memory is still 213.9MB. Free memory was 151.5MB in the beginning and 70.8MB in the end (delta: 80.7MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2024-11-09 15:32:08,376 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 213.9MB. Free memory was 70.8MB in the beginning and 69.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:32:08,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 110.7MB in the beginning and 110.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.95ms. Allocated memory is still 159.4MB. Free memory was 86.6MB in the beginning and 71.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.10ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 71.5MB in the beginning and 185.0MB in the end (delta: -113.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.23ms. Allocated memory is still 213.9MB. Free memory was 185.0MB in the beginning and 183.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.79ms. Allocated memory is still 213.9MB. Free memory was 183.0MB in the beginning and 151.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4536.81ms. Allocated memory is still 213.9MB. Free memory was 151.5MB in the beginning and 70.8MB in the end (delta: 80.7MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 213.9MB. Free memory was 70.8MB in the beginning and 69.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (6 trivial, 7 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 4 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. 6 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 3.3s. Construction of modules took 0.3s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 10. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 163 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [7, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 652 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 1107 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 235 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 311 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 872 mSDtfsCounter, 311 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT6 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div612 bol100 ite100 ukn100 eq132 hnf96 smp41 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-09 15:32:08,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-09 15:32:08,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-09 15:32:08,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-09 15:32:08,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-09 15:32:09,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE