./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc 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_1-3a.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 2e6e06de31959e386aafc2fb45c848364ae9fea32df4ba40928c607f134f313f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:26:39,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:26:39,670 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:26:39,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:26:39,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:26:39,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:26:39,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:26:39,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:26:39,711 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:26:39,711 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:26:39,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:26:39,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:26:39,713 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:26:39,713 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:26:39,713 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:26:39,714 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:26:39,714 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:26:39,715 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:26:39,715 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:26:39,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:26:39,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:26:39,716 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:26:39,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:26:39,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:26:39,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:26:39,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:26:39,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:26:39,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:26:39,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:26:39,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:26:39,719 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:26:39,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:26:39,719 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:26:39,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:26:39,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:26:39,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:26:39,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:26:39,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:26:39,721 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:26:39,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e6e06de31959e386aafc2fb45c848364ae9fea32df4ba40928c607f134f313f [2024-11-19 14:26:39,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:26:39,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:26:39,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:26:39,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:26:39,996 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:26:39,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2024-11-19 14:26:41,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:26:41,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:26:41,633 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2024-11-19 14:26:41,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcaa5f852/65d6acba3998443c96c187286d6a4b40/FLAG110a14451 [2024-11-19 14:26:41,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcaa5f852/65d6acba3998443c96c187286d6a4b40 [2024-11-19 14:26:41,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:26:41,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:26:41,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:26:41,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:26:41,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:26:41,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:41" (1/1) ... [2024-11-19 14:26:41,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b60988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:41, skipping insertion in model container [2024-11-19 14:26:41,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:41" (1/1) ... [2024-11-19 14:26:42,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:26:42,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:26:42,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:26:42,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:26:42,343 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:26:42,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42 WrapperNode [2024-11-19 14:26:42,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:26:42,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:26:42,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:26:42,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:26:42,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,404 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 15, calls inlined = 18, statements flattened = 397 [2024-11-19 14:26:42,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:26:42,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:26:42,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:26:42,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:26:42,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,447 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]. [2024-11-19 14:26:42,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:26:42,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:26:42,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:26:42,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:26:42,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (1/1) ... [2024-11-19 14:26:42,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:42,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:42,520 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) [2024-11-19 14:26:42,524 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 [2024-11-19 14:26:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:26:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:26:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:26:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:26:42,679 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:26:42,681 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:26:43,217 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-19 14:26:43,217 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:26:43,232 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:26:43,234 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-19 14:26:43,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:43 BoogieIcfgContainer [2024-11-19 14:26:43,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:26:43,235 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:26:43,235 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:26:43,240 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:26:43,240 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:26:43,240 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:26:41" (1/3) ... [2024-11-19 14:26:43,241 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@91d0890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:26:43, skipping insertion in model container [2024-11-19 14:26:43,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:26:43,242 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:42" (2/3) ... [2024-11-19 14:26:43,242 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@91d0890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:26:43, skipping insertion in model container [2024-11-19 14:26:43,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:26:43,242 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:43" (3/3) ... [2024-11-19 14:26:43,243 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_1-3a.c.cil.c [2024-11-19 14:26:43,293 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:26:43,293 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:26:43,293 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:26:43,293 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:26:43,293 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:26:43,293 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:26:43,294 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:26:43,294 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:26:43,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 138 states, 137 states have (on average 1.583941605839416) internal successors, (217), 137 states have internal predecessors, (217), 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) [2024-11-19 14:26:43,328 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-11-19 14:26:43,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:43,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:43,336 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-19 14:26:43,336 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:26:43,337 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:26:43,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 138 states, 137 states have (on average 1.583941605839416) internal successors, (217), 137 states have internal predecessors, (217), 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) [2024-11-19 14:26:43,350 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-11-19 14:26:43,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:43,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:43,354 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-19 14:26:43,354 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:26:43,361 INFO L745 eck$LassoCheckResult]: Stem: 37#$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(24, 2);call #Ultimate.allocInit(12, 3); 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~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_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#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; 93#L29true assume !(0 == base2flt_~m#1 % 4294967296); 120#L35true assume !(base2flt_~m#1 % 4294967296 < 16777216); 66#L57-2true [2024-11-19 14:26:43,362 INFO L747 eck$LassoCheckResult]: Loop: 66#L57-2true assume !false; 46#L58true assume base2flt_~m#1 % 4294967296 >= 33554432; 107#L59true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 66#L57-2true [2024-11-19 14:26:43,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:43,369 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2024-11-19 14:26:43,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:43,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749068] [2024-11-19 14:26:43,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:43,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:43,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:43,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:26:43,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749068] [2024-11-19 14:26:43,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:26:43,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:26:43,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:26:43,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630617434] [2024-11-19 14:26:43,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:26:43,638 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:26:43,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2024-11-19 14:26:43,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:43,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813333943] [2024-11-19 14:26:43,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:43,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:43,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:43,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:43,753 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:43,754 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:43,754 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:43,754 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:43,755 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:26:43,755 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:43,755 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:43,756 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:43,756 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2024-11-19 14:26:43,756 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:43,756 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:43,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:43,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:43,902 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:43,903 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:26:43,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:43,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:43,907 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) [2024-11-19 14:26:43,909 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 [2024-11-19 14:26:43,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:26:43,911 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:43,949 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 [2024-11-19 14:26:43,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:43,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:43,951 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) [2024-11-19 14:26:43,953 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 [2024-11-19 14:26:43,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:26:43,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:43,984 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:26:43,992 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 [2024-11-19 14:26:43,993 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:43,993 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:43,994 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:43,994 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:43,994 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:26:43,995 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:43,995 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:43,995 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:43,995 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2024-11-19 14:26:43,995 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:43,995 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:44,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:44,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:44,105 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:44,109 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:26:44,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:44,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:44,113 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) [2024-11-19 14:26:44,114 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 [2024-11-19 14:26:44,115 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 [2024-11-19 14:26:44,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:44,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:44,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:44,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:44,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:44,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:44,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:44,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:44,152 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 [2024-11-19 14:26:44,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:44,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:44,155 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) [2024-11-19 14:26:44,157 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 [2024-11-19 14:26:44,159 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 [2024-11-19 14:26:44,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:44,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:44,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:44,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:44,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:44,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:44,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:44,179 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:26:44,184 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:26:44,185 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:26:44,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:44,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:44,189 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) [2024-11-19 14:26:44,190 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 [2024-11-19 14:26:44,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:26:44,191 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:26:44,191 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:26:44,192 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-19 14:26:44,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-19 14:26:44,210 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:26:44,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:44,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:26:44,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:44,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:26:44,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:44,328 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 [2024-11-19 14:26:44,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 138 states, 137 states have (on average 1.583941605839416) internal successors, (217), 137 states have internal predecessors, (217), 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) [2024-11-19 14:26:44,439 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 138 states, 137 states have (on average 1.583941605839416) internal successors, (217), 137 states have internal predecessors, (217), 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 409 states and 634 transitions. Complement of second has 6 states. [2024-11-19 14:26:44,442 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 [2024-11-19 14:26:44,447 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) [2024-11-19 14:26:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 415 transitions. [2024-11-19 14:26:44,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 415 transitions. Stem has 4 letters. Loop has 3 letters. [2024-11-19 14:26:44,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:44,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 415 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-19 14:26:44,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:44,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 415 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-19 14:26:44,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:44,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 409 states and 634 transitions. [2024-11-19 14:26:44,463 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2024-11-19 14:26:44,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 409 states to 85 states and 126 transitions. [2024-11-19 14:26:44,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2024-11-19 14:26:44,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 82 [2024-11-19 14:26:44,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 126 transitions. [2024-11-19 14:26:44,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:26:44,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 85 states and 126 transitions. [2024-11-19 14:26:44,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 126 transitions. [2024-11-19 14:26:44,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 67. [2024-11-19 14:26:44,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.537313432835821) internal successors, (103), 66 states have internal predecessors, (103), 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) [2024-11-19 14:26:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-19 14:26:44,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-19 14:26:44,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:26:44,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:26:44,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:26:44,501 INFO L87 Difference]: Start difference. First operand 67 states and 103 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) [2024-11-19 14:26:44,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:26:44,554 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2024-11-19 14:26:44,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 42 transitions. [2024-11-19 14:26:44,555 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-19 14:26:44,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 42 transitions. [2024-11-19 14:26:44,556 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-11-19 14:26:44,556 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2024-11-19 14:26:44,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2024-11-19 14:26:44,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:26:44,557 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-11-19 14:26:44,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2024-11-19 14:26:44,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-19 14:26:44,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 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) [2024-11-19 14:26:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2024-11-19 14:26:44,562 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-11-19 14:26:44,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:26:44,564 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-11-19 14:26:44,564 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:26:44,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 42 transitions. [2024-11-19 14:26:44,564 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-19 14:26:44,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:44,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:44,565 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:26:44,565 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:26:44,565 INFO L745 eck$LassoCheckResult]: Stem: 718#$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(24, 2);call #Ultimate.allocInit(12, 3); 697#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~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_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#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; 698#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 716#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 712#base2flt_returnLabel#1 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_~zero~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; 713#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 699#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 700#L47-3 [2024-11-19 14:26:44,565 INFO L747 eck$LassoCheckResult]: Loop: 700#L47-3 assume !false; 715#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 711#L47-2 assume base2flt_~m#1 % 4294967296 < 16777216; 700#L47-3 [2024-11-19 14:26:44,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:44,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397383, now seen corresponding path program 1 times [2024-11-19 14:26:44,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:44,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674300822] [2024-11-19 14:26:44,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:44,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:44,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:44,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:44,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:44,603 INFO L85 PathProgramCache]: Analyzing trace with hash 136237, now seen corresponding path program 1 times [2024-11-19 14:26:44,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:44,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350020279] [2024-11-19 14:26:44,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:44,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:44,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:44,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:44,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:44,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1829446553, now seen corresponding path program 1 times [2024-11-19 14:26:44,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:44,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897882540] [2024-11-19 14:26:44,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:44,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:44,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:44,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:44,680 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:44,681 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:44,681 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:44,681 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:44,681 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:26:44,681 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:44,681 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:44,681 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:44,682 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2024-11-19 14:26:44,682 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:44,682 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:44,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:44,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:44,788 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:44,789 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:26:44,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:44,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:44,791 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) [2024-11-19 14:26:44,792 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 [2024-11-19 14:26:44,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:26:44,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:44,820 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 [2024-11-19 14:26:44,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:44,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:44,822 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) [2024-11-19 14:26:44,822 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 [2024-11-19 14:26:44,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:26:44,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:44,857 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:26:44,862 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 [2024-11-19 14:26:44,862 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:44,865 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:44,865 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:44,865 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:44,865 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:26:44,865 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:44,865 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:44,865 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:44,865 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2024-11-19 14:26:44,865 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:44,865 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:44,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:44,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:44,989 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:44,989 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:26:44,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:44,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:44,991 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) [2024-11-19 14:26:44,995 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 [2024-11-19 14:26:44,995 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 [2024-11-19 14:26:45,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:45,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:45,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:45,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:45,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:45,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:45,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:45,012 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:26:45,014 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:26:45,014 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:26:45,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:45,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:45,017 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) [2024-11-19 14:26:45,018 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 [2024-11-19 14:26:45,019 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:26:45,020 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:26:45,020 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:26:45,020 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-19 14:26:45,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:45,037 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:26:45,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:45,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:26:45,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:45,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:26:45,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:45,138 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 [2024-11-19 14:26:45,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 15 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) [2024-11-19 14:26:45,176 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 15. 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 60 states and 79 transitions. Complement of second has 5 states. [2024-11-19 14:26:45,177 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 [2024-11-19 14:26:45,178 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) [2024-11-19 14:26:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2024-11-19 14:26:45,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-19 14:26:45,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:45,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-19 14:26:45,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:45,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-19 14:26:45,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:45,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 79 transitions. [2024-11-19 14:26:45,179 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2024-11-19 14:26:45,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 53 states and 70 transitions. [2024-11-19 14:26:45,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2024-11-19 14:26:45,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2024-11-19 14:26:45,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 70 transitions. [2024-11-19 14:26:45,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:26:45,184 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 70 transitions. [2024-11-19 14:26:45,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 70 transitions. [2024-11-19 14:26:45,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 34. [2024-11-19 14:26:45,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 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) [2024-11-19 14:26:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2024-11-19 14:26:45,187 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-19 14:26:45,187 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-19 14:26:45,188 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:26:45,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2024-11-19 14:26:45,189 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-19 14:26:45,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:45,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:45,190 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:26:45,190 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:26:45,190 INFO L745 eck$LassoCheckResult]: Stem: 862#$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(24, 2);call #Ultimate.allocInit(12, 3); 838#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~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_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#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; 839#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 860#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 855#base2flt_returnLabel#1 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_~zero~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; 856#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 840#L35-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 842#L57-5 [2024-11-19 14:26:45,190 INFO L747 eck$LassoCheckResult]: Loop: 842#L57-5 assume !false; 843#L58-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 844#L59-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 842#L57-5 [2024-11-19 14:26:45,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397409, now seen corresponding path program 1 times [2024-11-19 14:26:45,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:45,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534006430] [2024-11-19 14:26:45,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:45,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:45,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:45,209 INFO L85 PathProgramCache]: Analyzing trace with hash 161996, now seen corresponding path program 1 times [2024-11-19 14:26:45,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:45,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308374883] [2024-11-19 14:26:45,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:45,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:45,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:45,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1828646228, now seen corresponding path program 1 times [2024-11-19 14:26:45,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:45,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362502643] [2024-11-19 14:26:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:45,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:45,286 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:45,286 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:45,286 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:45,286 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:45,286 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:26:45,286 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:45,286 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:45,286 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:45,287 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2024-11-19 14:26:45,287 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:45,287 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:45,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:45,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:45,377 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:45,378 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:26:45,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:45,382 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) [2024-11-19 14:26:45,384 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 [2024-11-19 14:26:45,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:26:45,385 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:45,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-19 14:26:45,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:45,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:45,419 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) [2024-11-19 14:26:45,424 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 [2024-11-19 14:26:45,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:26:45,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:45,464 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:26:45,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:45,469 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:45,470 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:45,470 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:45,470 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:45,470 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:26:45,470 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:45,470 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:45,470 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:45,470 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2024-11-19 14:26:45,470 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:45,470 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:45,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:45,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:45,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:45,548 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 [2024-11-19 14:26:45,644 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:45,645 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:26:45,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:45,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:45,649 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) [2024-11-19 14:26:45,650 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 [2024-11-19 14:26:45,651 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 [2024-11-19 14:26:45,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:45,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:45,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:45,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:45,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:45,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:45,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:45,664 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:26:45,666 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:26:45,666 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:26:45,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:45,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:45,668 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) [2024-11-19 14:26:45,670 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 [2024-11-19 14:26:45,670 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:26:45,671 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:26:45,671 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:26:45,671 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-19 14:26:45,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-19 14:26:45,687 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:26:45,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:45,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:26:45,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:45,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:26:45,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:45,746 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 [2024-11-19 14:26:45,746 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 46 transitions. cyclomatic complexity: 16 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) [2024-11-19 14:26:45,782 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 46 transitions. cyclomatic complexity: 16. 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 62 states and 82 transitions. Complement of second has 5 states. [2024-11-19 14:26:45,782 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 [2024-11-19 14:26:45,783 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) [2024-11-19 14:26:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2024-11-19 14:26:45,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-19 14:26:45,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:45,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-19 14:26:45,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:45,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-19 14:26:45,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:45,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 82 transitions. [2024-11-19 14:26:45,785 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-19 14:26:45,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 55 states and 73 transitions. [2024-11-19 14:26:45,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2024-11-19 14:26:45,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-19 14:26:45,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 73 transitions. [2024-11-19 14:26:45,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:26:45,785 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 73 transitions. [2024-11-19 14:26:45,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 73 transitions. [2024-11-19 14:26:45,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 37. [2024-11-19 14:26:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 36 states have internal predecessors, (50), 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) [2024-11-19 14:26:45,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-19 14:26:45,792 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-19 14:26:45,792 INFO L425 stractBuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-19 14:26:45,793 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:26:45,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 50 transitions. [2024-11-19 14:26:45,793 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-19 14:26:45,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:45,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:45,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:26:45,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:26:45,794 INFO L745 eck$LassoCheckResult]: Stem: 1010#$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(24, 2);call #Ultimate.allocInit(12, 3); 983#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~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_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#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; 984#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1008#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1003#base2flt_returnLabel#1 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_~zero~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; 1004#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 994#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 981#base2flt_returnLabel#2 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; 982#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 997#L35-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 998#L57-8 [2024-11-19 14:26:45,795 INFO L747 eck$LassoCheckResult]: Loop: 998#L57-8 assume !false; 995#L58-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 996#L59-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 998#L57-8 [2024-11-19 14:26:45,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:45,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1828899400, now seen corresponding path program 1 times [2024-11-19 14:26:45,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:45,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501099207] [2024-11-19 14:26:45,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:45,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:45,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:45,834 INFO L85 PathProgramCache]: Analyzing trace with hash 249380, now seen corresponding path program 1 times [2024-11-19 14:26:45,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:45,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575239056] [2024-11-19 14:26:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:45,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:45,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:45,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1213311245, now seen corresponding path program 1 times [2024-11-19 14:26:45,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:45,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812806105] [2024-11-19 14:26:45,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:45,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:45,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:45,901 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:45,901 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:45,901 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:45,901 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:45,901 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:26:45,901 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:45,901 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:45,902 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:45,902 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2024-11-19 14:26:45,902 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:45,902 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:45,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:45,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:45,988 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:45,990 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:26:45,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:45,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:45,992 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) [2024-11-19 14:26:45,994 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 [2024-11-19 14:26:45,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:26:45,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:46,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:46,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:46,021 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) [2024-11-19 14:26:46,022 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 [2024-11-19 14:26:46,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:26:46,022 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:46,053 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:26:46,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-19 14:26:46,059 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:46,059 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:46,059 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:46,059 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:46,060 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:26:46,060 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,060 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:46,060 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:46,060 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2024-11-19 14:26:46,060 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:46,060 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:46,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:46,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:46,149 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:46,149 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:26:46,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:46,151 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) [2024-11-19 14:26:46,152 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 [2024-11-19 14:26:46,154 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 [2024-11-19 14:26:46,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:46,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:46,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:46,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:46,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:46,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:46,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:46,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:26:46,173 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:26:46,173 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:26:46,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:46,176 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) [2024-11-19 14:26:46,178 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 [2024-11-19 14:26:46,179 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:26:46,180 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:26:46,180 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:26:46,180 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-19 14:26:46,193 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 [2024-11-19 14:26:46,195 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:26:46,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:46,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:26:46,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:46,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:26:46,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:46,257 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 [2024-11-19 14:26:46,257 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 50 transitions. cyclomatic complexity: 17 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) [2024-11-19 14:26:46,264 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 50 transitions. cyclomatic complexity: 17. 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) Result 40 states and 54 transitions. Complement of second has 4 states. [2024-11-19 14:26:46,265 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 [2024-11-19 14:26:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2024-11-19 14:26:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2024-11-19 14:26:46,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-19 14:26:46,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:46,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 13 letters. Loop has 3 letters. [2024-11-19 14:26:46,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:46,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 10 letters. Loop has 6 letters. [2024-11-19 14:26:46,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:46,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 54 transitions. [2024-11-19 14:26:46,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:26:46,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 34 states and 46 transitions. [2024-11-19 14:26:46,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-11-19 14:26:46,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-11-19 14:26:46,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 46 transitions. [2024-11-19 14:26:46,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:26:46,268 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-19 14:26:46,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 46 transitions. [2024-11-19 14:26:46,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-19 14:26:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 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) [2024-11-19 14:26:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2024-11-19 14:26:46,272 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-19 14:26:46,272 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-19 14:26:46,272 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-19 14:26:46,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2024-11-19 14:26:46,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:26:46,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:46,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:46,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:26:46,273 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:26:46,273 INFO L745 eck$LassoCheckResult]: Stem: 1141#$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(24, 2);call #Ultimate.allocInit(12, 3); 1117#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#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_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~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_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#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; 1118#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1139#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1134#base2flt_returnLabel#1 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_~zero~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; 1135#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1128#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1115#base2flt_returnLabel#2 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; 1116#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 1129#L35-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1130#L47-5 [2024-11-19 14:26:46,273 INFO L747 eck$LassoCheckResult]: Loop: 1130#L47-5 assume !false; 1136#L38-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1140#L47-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1130#L47-5 [2024-11-19 14:26:46,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:46,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1828899426, now seen corresponding path program 1 times [2024-11-19 14:26:46,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:46,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455438336] [2024-11-19 14:26:46,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:46,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:46,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:46,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:46,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:46,310 INFO L85 PathProgramCache]: Analyzing trace with hash 223621, now seen corresponding path program 1 times [2024-11-19 14:26:46,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:46,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997508292] [2024-11-19 14:26:46,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:46,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:46,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:46,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:46,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:46,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1212510920, now seen corresponding path program 1 times [2024-11-19 14:26:46,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:46,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777231859] [2024-11-19 14:26:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:46,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:46,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:46,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:46,385 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:46,386 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:46,386 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:46,386 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:46,386 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:26:46,386 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,386 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:46,386 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:46,386 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2024-11-19 14:26:46,386 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:46,386 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:46,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:46,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:46,478 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:46,478 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:26:46,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:46,480 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) [2024-11-19 14:26:46,481 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 [2024-11-19 14:26:46,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:26:46,482 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:46,502 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:26:46,502 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: [] [2024-11-19 14:26:46,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:46,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:46,507 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) [2024-11-19 14:26:46,509 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 [2024-11-19 14:26:46,509 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:26:46,509 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:46,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-19 14:26:46,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:46,533 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2024-11-19 14:26:46,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-19 14:26:46,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:26:46,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:26:46,560 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:26:46,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:46,565 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:46,565 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:46,565 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:46,565 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:46,565 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:26:46,565 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,565 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:46,565 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:46,565 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2024-11-19 14:26:46,565 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:46,565 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:46,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:46,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:46,658 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:46,658 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:26:46,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:46,659 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) [2024-11-19 14:26:46,660 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 [2024-11-19 14:26:46,661 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 [2024-11-19 14:26:46,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:46,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:46,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:46,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:46,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:46,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:46,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:46,679 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:46,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:46,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:46,691 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) [2024-11-19 14:26:46,692 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 [2024-11-19 14:26:46,692 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 [2024-11-19 14:26:46,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:46,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:46,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:46,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:46,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:46,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:46,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:46,705 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:26:46,708 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:26:46,708 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-19 14:26:46,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:46,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:46,710 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) [2024-11-19 14:26:46,711 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 [2024-11-19 14:26:46,712 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:26:46,712 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:26:46,712 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:26:46,712 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-19 14:26:46,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-19 14:26:46,729 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:26:46,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:46,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:26:46,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:46,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:26:46,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:46,798 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 [2024-11-19 14:26:46,798 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 46 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2024-11-19 14:26:46,804 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 46 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Result 38 states and 50 transitions. Complement of second has 4 states. [2024-11-19 14:26:46,805 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 [2024-11-19 14:26:46,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2024-11-19 14:26:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-11-19 14:26:46,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-19 14:26:46,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:46,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 13 letters. Loop has 3 letters. [2024-11-19 14:26:46,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:46,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 6 letters. [2024-11-19 14:26:46,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:46,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 50 transitions. [2024-11-19 14:26:46,808 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:26:46,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2024-11-19 14:26:46,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:26:46,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:26:46,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:26:46,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:26:46,808 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:26:46,808 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:26:46,808 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:26:46,809 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-19 14:26:46,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:26:46,809 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:26:46,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:26:46,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:26:46 BoogieIcfgContainer [2024-11-19 14:26:46,818 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:26:46,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:26:46,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:26:46,819 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:26:46,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:43" (3/4) ... [2024-11-19 14:26:46,824 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:26:46,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:26:46,826 INFO L158 Benchmark]: Toolchain (without parser) took 4837.90ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 108.2MB in the beginning and 106.9MB in the end (delta: 1.3MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-11-19 14:26:46,826 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:26:46,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.14ms. Allocated memory is still 163.6MB. Free memory was 108.2MB in the beginning and 92.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 14:26:46,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.47ms. Allocated memory is still 163.6MB. Free memory was 92.5MB in the beginning and 89.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:26:46,827 INFO L158 Benchmark]: Boogie Preprocessor took 74.23ms. Allocated memory is still 163.6MB. Free memory was 89.4MB in the beginning and 86.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:26:46,827 INFO L158 Benchmark]: RCFGBuilder took 754.89ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 86.3MB in the beginning and 194.0MB in the end (delta: -107.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-19 14:26:46,827 INFO L158 Benchmark]: BuchiAutomizer took 3582.61ms. Allocated memory is still 232.8MB. Free memory was 194.0MB in the beginning and 108.0MB in the end (delta: 86.1MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2024-11-19 14:26:46,828 INFO L158 Benchmark]: Witness Printer took 6.58ms. Allocated memory is still 232.8MB. Free memory was 108.0MB in the beginning and 106.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:26:46,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.14ms. Allocated memory is still 163.6MB. Free memory was 108.2MB in the beginning and 92.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.47ms. Allocated memory is still 163.6MB. Free memory was 92.5MB in the beginning and 89.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.23ms. Allocated memory is still 163.6MB. Free memory was 89.4MB in the beginning and 86.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 754.89ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 86.3MB in the beginning and 194.0MB in the end (delta: -107.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3582.61ms. Allocated memory is still 232.8MB. Free memory was 194.0MB in the beginning and 108.0MB in the end (delta: 86.1MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * Witness Printer took 6.58ms. Allocated memory is still 232.8MB. Free memory was 108.0MB in the beginning and 106.9MB in the end (delta: 1.0MB). There was no memory consumed. 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 6 terminating modules (1 trivial, 5 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. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 3 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 [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 371 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 366 mSDsluCounter, 448 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 406 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div611 bol100 ite100 ukn100 eq131 hnf96 smp40 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-19 14:26:46,860 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 [2024-11-19 14:26:47,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-19 14:26:47,261 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 [2024-11-19 14:26:47,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE