./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-551b009-m [2025-01-10 07:13:57,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:13:57,131 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:13:57,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:13:57,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:13:57,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:13:57,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:13:57,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:13:57,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:13:57,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:13:57,154 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:13:57,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:13:57,154 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:13:57,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:13:57,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:13:57,155 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:13:57,155 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 [2025-01-10 07:13:57,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:13:57,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:13:57,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:13:57,363 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:13:57,363 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:13:57,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2025-01-10 07:13:58,550 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bff1581bc/b6f6feda0b34447da32bfbd7bd44f6ca/FLAGd1858a145 [2025-01-10 07:13:58,958 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:13:58,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-3a.c.cil.c [2025-01-10 07:13:58,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bff1581bc/b6f6feda0b34447da32bfbd7bd44f6ca/FLAGd1858a145 [2025-01-10 07:13:59,120 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bff1581bc/b6f6feda0b34447da32bfbd7bd44f6ca [2025-01-10 07:13:59,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:13:59,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:13:59,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:13:59,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:13:59,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:13:59,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df3a61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59, skipping insertion in model container [2025-01-10 07:13:59,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:13:59,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:13:59,335 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:13:59,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:13:59,384 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:13:59,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59 WrapperNode [2025-01-10 07:13:59,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:13:59,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:13:59,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:13:59,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:13:59,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,418 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 15, calls inlined = 18, statements flattened = 379 [2025-01-10 07:13:59,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:13:59,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:13:59,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:13:59,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:13:59,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,428 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,438 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]. [2025-01-10 07:13:59,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,442 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:13:59,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:13:59,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:13:59,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:13:59,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (1/1) ... [2025-01-10 07:13:59,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:13:59,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:13:59,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:13:59,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:13:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:13:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:13:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:13:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:13:59,547 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:13:59,548 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:13:59,921 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2025-01-10 07:13:59,921 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:13:59,928 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:13:59,929 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2025-01-10 07:13:59,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:13:59 BoogieIcfgContainer [2025-01-10 07:13:59,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:13:59,930 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:13:59,930 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:13:59,933 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:13:59,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:13:59,934 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:13:59" (1/3) ... [2025-01-10 07:13:59,935 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18fb3a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:13:59, skipping insertion in model container [2025-01-10 07:13:59,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:13:59,935 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:13:59" (2/3) ... [2025-01-10 07:13:59,935 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18fb3a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:13:59, skipping insertion in model container [2025-01-10 07:13:59,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:13:59,936 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:13:59" (3/3) ... [2025-01-10 07:13:59,936 INFO L363 chiAutomizerObserver]: Analyzing ICFG soft_float_1-3a.c.cil.c [2025-01-10 07:13:59,968 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:13:59,969 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:13:59,969 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:13:59,969 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:13:59,969 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:13:59,969 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:13:59,969 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:13:59,969 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:13:59,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 132 states, 131 states have (on average 1.5648854961832062) internal successors, (205), 131 states have internal predecessors, (205), 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) [2025-01-10 07:13:59,986 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2025-01-10 07:13:59,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:13:59,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:13:59,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-01-10 07:13:59,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:13:59,991 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:13:59,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 132 states, 131 states have (on average 1.5648854961832062) internal successors, (205), 131 states have internal predecessors, (205), 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) [2025-01-10 07:13:59,996 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2025-01-10 07:13:59,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:13:59,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:13:59,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-01-10 07:13:59,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:14:00,006 INFO L752 eck$LassoCheckResult]: Stem: "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);" "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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2025-01-10 07:14:00,006 INFO L754 eck$LassoCheckResult]: Loop: "assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2025-01-10 07:14:00,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:00,010 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2025-01-10 07:14:00,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:00,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310994780] [2025-01-10 07:14:00,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:00,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:00,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:14:00,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:14:00,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:00,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:14:00,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:14:00,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310994780] [2025-01-10 07:14:00,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310994780] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:14:00,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:14:00,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 07:14:00,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071674477] [2025-01-10 07:14:00,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:14:00,263 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:14:00,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:00,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1572, now seen corresponding path program 1 times [2025-01-10 07:14:00,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:00,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106065280] [2025-01-10 07:14:00,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:00,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:00,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:00,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:00,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:00,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:00,279 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:00,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:00,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:00,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:00,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:00,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:00,360 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:00,364 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:00,364 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:00,364 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:00,365 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:14:00,365 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:00,365 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:00,365 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:00,367 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2025-01-10 07:14:00,367 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:00,367 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:00,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:00,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:00,564 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:00,567 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:14:00,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:00,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:00,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:00,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-01-10 07:14:00,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:14:00,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:00,607 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:14:00,607 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: [] [2025-01-10 07:14:00,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-01-10 07:14:00,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:00,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:00,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:00,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-01-10 07:14:00,623 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:14:00,623 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:00,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-01-10 07:14:00,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:00,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:00,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:00,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-01-10 07:14:00,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:14:00,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:00,672 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:14:00,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-01-10 07:14:00,679 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:00,679 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:00,679 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:00,679 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:00,680 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:14:00,680 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:00,680 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:00,680 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:00,680 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration1_Loop [2025-01-10 07:14:00,680 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:00,680 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:00,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:00,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:00,794 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:00,797 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:14:00,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:00,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:00,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:00,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-01-10 07:14:00,805 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 [2025-01-10 07:14:00,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:14:00,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:14:00,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:14:00,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:14:00,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:14:00,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:14:00,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:14:00,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:14:00,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-01-10 07:14:00,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:00,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:00,841 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:00,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-01-10 07:14:00,845 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 [2025-01-10 07:14:00,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:14:00,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:14:00,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:14:00,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:14:00,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:14:00,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:14:00,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:14:00,858 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:14:00,861 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:14:00,863 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:14:00,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:00,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:00,868 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:00,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-01-10 07:14:00,881 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:14:00,882 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:14:00,882 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:14:00,882 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2025-01-10 07:14:00,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:00,894 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:14:00,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:00,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:14:00,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:14:00,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:00,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:00,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:14:00,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:01,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:01,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:01,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:01,012 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:14:01,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:14:01,074 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 [2025-01-10 07:14:01,077 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 132 states, 131 states have (on average 1.5648854961832062) internal successors, (205), 131 states have internal predecessors, (205), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-01-10 07:14:01,150 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 132 states, 131 states have (on average 1.5648854961832062) internal successors, (205), 131 states have internal predecessors, (205), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 395 states and 605 transitions. Complement of second has 6 states. [2025-01-10 07:14:01,152 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 [2025-01-10 07:14:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-01-10 07:14:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 397 transitions. [2025-01-10 07:14:01,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 397 transitions. Stem has 4 letters. Loop has 2 letters. [2025-01-10 07:14:01,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:01,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 397 transitions. Stem has 6 letters. Loop has 2 letters. [2025-01-10 07:14:01,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:01,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 397 transitions. Stem has 4 letters. Loop has 4 letters. [2025-01-10 07:14:01,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:01,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 395 states and 605 transitions. [2025-01-10 07:14:01,169 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 18 [2025-01-10 07:14:01,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 395 states to 75 states and 114 transitions. [2025-01-10 07:14:01,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70 [2025-01-10 07:14:01,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 73 [2025-01-10 07:14:01,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 114 transitions. [2025-01-10 07:14:01,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:14:01,173 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 114 transitions. [2025-01-10 07:14:01,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 114 transitions. [2025-01-10 07:14:01,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 58. [2025-01-10 07:14:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.5862068965517242) internal successors, (92), 57 states have internal predecessors, (92), 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) [2025-01-10 07:14:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 92 transitions. [2025-01-10 07:14:01,193 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 92 transitions. [2025-01-10 07:14:01,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:14:01,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:14:01,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:14:01,195 INFO L87 Difference]: Start difference. First operand 58 states and 92 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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) [2025-01-10 07:14:01,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:14:01,240 INFO L93 Difference]: Finished difference Result 27 states and 38 transitions. [2025-01-10 07:14:01,240 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 38 transitions. [2025-01-10 07:14:01,240 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2025-01-10 07:14:01,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 38 transitions. [2025-01-10 07:14:01,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2025-01-10 07:14:01,242 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2025-01-10 07:14:01,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2025-01-10 07:14:01,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:14:01,242 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 38 transitions. [2025-01-10 07:14:01,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2025-01-10 07:14:01,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-01-10 07:14:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 26 states have internal predecessors, (38), 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) [2025-01-10 07:14:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 38 transitions. [2025-01-10 07:14:01,244 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 38 transitions. [2025-01-10 07:14:01,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:14:01,245 INFO L432 stractBuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2025-01-10 07:14:01,245 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:14:01,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 38 transitions. [2025-01-10 07:14:01,245 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2025-01-10 07:14:01,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:14:01,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:14:01,246 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:14:01,246 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:14:01,246 INFO L752 eck$LassoCheckResult]: Stem: "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);" "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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2025-01-10 07:14:01,246 INFO L754 eck$LassoCheckResult]: Loop: "assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2025-01-10 07:14:01,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:01,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027975, now seen corresponding path program 1 times [2025-01-10 07:14:01,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:01,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981711821] [2025-01-10 07:14:01,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:01,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:01,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:14:01,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:14:01,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,259 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:01,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:14:01,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:14:01,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:01,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:01,272 INFO L85 PathProgramCache]: Analyzing trace with hash 4004, now seen corresponding path program 1 times [2025-01-10 07:14:01,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:01,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37792558] [2025-01-10 07:14:01,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:01,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:01,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:01,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:01,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,279 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:01,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:01,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:01,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:01,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:01,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099434, now seen corresponding path program 1 times [2025-01-10 07:14:01,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:01,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585362122] [2025-01-10 07:14:01,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:01,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:01,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 07:14:01,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 07:14:01,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,298 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:01,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 07:14:01,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 07:14:01,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:01,328 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:01,328 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:01,328 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:01,329 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:01,329 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:14:01,329 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,329 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:01,329 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:01,329 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2025-01-10 07:14:01,329 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:01,329 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:01,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:01,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:01,410 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:01,411 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:14:01,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:01,416 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:01,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-01-10 07:14:01,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:14:01,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:01,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:01,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:01,444 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:01,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-01-10 07:14:01,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:14:01,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:01,471 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:14:01,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-01-10 07:14:01,475 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:01,476 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:01,476 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:01,476 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:01,476 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:14:01,476 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,476 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:01,476 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:01,476 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration2_Loop [2025-01-10 07:14:01,476 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:01,476 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:01,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:01,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:01,556 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:01,556 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:14:01,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:01,559 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:01,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-01-10 07:14:01,564 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 [2025-01-10 07:14:01,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:14:01,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:14:01,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:14:01,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:14:01,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:14:01,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:14:01,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:14:01,578 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:14:01,580 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:14:01,580 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:14:01,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:01,608 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:01,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-01-10 07:14:01,609 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:14:01,610 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:14:01,610 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:14:01,610 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2025-01-10 07:14:01,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:01,619 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:14:01,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:01,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:14:01,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:14:01,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:01,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:14:01,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:01,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:01,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:01,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:01,652 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:14:01,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:14:01,664 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 [2025-01-10 07:14:01,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 38 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-01-10 07:14:01,683 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 38 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 53 states and 72 transitions. Complement of second has 5 states. [2025-01-10 07:14:01,683 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 [2025-01-10 07:14:01,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-01-10 07:14:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2025-01-10 07:14:01,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 7 letters. Loop has 2 letters. [2025-01-10 07:14:01,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:01,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 9 letters. Loop has 2 letters. [2025-01-10 07:14:01,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:01,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 7 letters. Loop has 4 letters. [2025-01-10 07:14:01,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:01,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 72 transitions. [2025-01-10 07:14:01,685 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2025-01-10 07:14:01,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 46 states and 63 transitions. [2025-01-10 07:14:01,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2025-01-10 07:14:01,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2025-01-10 07:14:01,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 63 transitions. [2025-01-10 07:14:01,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:14:01,686 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 63 transitions. [2025-01-10 07:14:01,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 63 transitions. [2025-01-10 07:14:01,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2025-01-10 07:14:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 28 states have internal predecessors, (41), 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) [2025-01-10 07:14:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 41 transitions. [2025-01-10 07:14:01,688 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 41 transitions. [2025-01-10 07:14:01,688 INFO L432 stractBuchiCegarLoop]: Abstraction has 29 states and 41 transitions. [2025-01-10 07:14:01,688 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:14:01,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 41 transitions. [2025-01-10 07:14:01,689 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2025-01-10 07:14:01,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:14:01,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:14:01,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:14:01,689 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:14:01,689 INFO L752 eck$LassoCheckResult]: Stem: "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);" "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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume !(base2flt_~m#1 % 4294967296 < 16777216);" [2025-01-10 07:14:01,689 INFO L754 eck$LassoCheckResult]: Loop: "assume base2flt_~m#1 % 4294967296 >= 33554432;" "assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2;" [2025-01-10 07:14:01,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:01,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027995, now seen corresponding path program 1 times [2025-01-10 07:14:01,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:01,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996776305] [2025-01-10 07:14:01,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:01,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:01,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:14:01,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:14:01,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,696 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:01,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:14:01,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:14:01,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:01,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:01,702 INFO L85 PathProgramCache]: Analyzing trace with hash 4585, now seen corresponding path program 1 times [2025-01-10 07:14:01,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:01,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844704371] [2025-01-10 07:14:01,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:01,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:01,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:01,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:01,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,707 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:01,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:01,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:01,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:01,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:01,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1387119235, now seen corresponding path program 1 times [2025-01-10 07:14:01,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:01,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391636398] [2025-01-10 07:14:01,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:01,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:01,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 07:14:01,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 07:14:01,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,718 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:01,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 07:14:01,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 07:14:01,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:01,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:01,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:01,745 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:01,746 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:01,746 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:01,746 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:01,746 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:14:01,746 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,746 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:01,746 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:01,746 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2025-01-10 07:14:01,746 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:01,746 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:01,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:01,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:01,812 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:01,813 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:14:01,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:01,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:01,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-01-10 07:14:01,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:14:01,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:01,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-01-10 07:14:01,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:01,851 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:01,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-01-10 07:14:01,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:14:01,874 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:01,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:01,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-01-10 07:14:01,896 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:14:01,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-01-10 07:14:01,902 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:01,902 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:01,902 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:01,902 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:01,902 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:14:01,902 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,902 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:01,902 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:01,903 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration3_Loop [2025-01-10 07:14:01,903 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:01,903 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:01,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:01,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:01,974 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:01,974 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:14:01,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:01,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:01,979 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:01,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-01-10 07:14:01,982 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 [2025-01-10 07:14:01,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:14:01,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:14:01,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:14:01,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:14:01,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:14:01,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:14:01,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:14:02,002 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:14:02,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:02,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,014 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-01-10 07:14:02,016 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 [2025-01-10 07:14:02,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:14:02,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:14:02,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:14:02,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:14:02,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:14:02,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:14:02,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:14:02,029 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:14:02,030 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:14:02,030 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:14:02,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,036 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-01-10 07:14:02,038 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:14:02,038 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:14:02,038 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:14:02,038 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2025-01-10 07:14:02,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:02,045 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:14:02,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:02,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:14:02,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:14:02,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:02,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:14:02,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:02,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:02,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:02,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:02,097 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:14:02,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:14:02,099 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 [2025-01-10 07:14:02,099 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 41 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-01-10 07:14:02,124 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 41 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 54 states and 76 transitions. Complement of second has 5 states. [2025-01-10 07:14:02,124 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 [2025-01-10 07:14:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-01-10 07:14:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2025-01-10 07:14:02,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 45 transitions. Stem has 7 letters. Loop has 2 letters. [2025-01-10 07:14:02,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:02,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 45 transitions. Stem has 9 letters. Loop has 2 letters. [2025-01-10 07:14:02,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:02,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 45 transitions. Stem has 7 letters. Loop has 4 letters. [2025-01-10 07:14:02,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:02,125 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2025-01-10 07:14:02,126 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2025-01-10 07:14:02,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 47 states and 66 transitions. [2025-01-10 07:14:02,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2025-01-10 07:14:02,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2025-01-10 07:14:02,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 66 transitions. [2025-01-10 07:14:02,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:14:02,126 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 66 transitions. [2025-01-10 07:14:02,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 66 transitions. [2025-01-10 07:14:02,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 31. [2025-01-10 07:14:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 30 states have internal predecessors, (45), 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) [2025-01-10 07:14:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2025-01-10 07:14:02,127 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 45 transitions. [2025-01-10 07:14:02,128 INFO L432 stractBuchiCegarLoop]: Abstraction has 31 states and 45 transitions. [2025-01-10 07:14:02,128 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-01-10 07:14:02,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 45 transitions. [2025-01-10 07:14:02,133 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-01-10 07:14:02,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:14:02,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:14:02,133 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:14:02,133 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:14:02,133 INFO L752 eck$LassoCheckResult]: Stem: "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);" "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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#1;" "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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2025-01-10 07:14:02,133 INFO L754 eck$LassoCheckResult]: Loop: "assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296);" "assume base2flt_~m#1 % 4294967296 < 16777216;" [2025-01-10 07:14:02,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:02,134 INFO L85 PathProgramCache]: Analyzing trace with hash 50587410, now seen corresponding path program 1 times [2025-01-10 07:14:02,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:02,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703624436] [2025-01-10 07:14:02,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:02,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:02,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:14:02,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:14:02,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,151 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:02,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:14:02,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:14:02,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:02,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:02,165 INFO L85 PathProgramCache]: Analyzing trace with hash 6436, now seen corresponding path program 1 times [2025-01-10 07:14:02,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:02,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71606140] [2025-01-10 07:14:02,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:02,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:02,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:02,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:02,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,168 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:02,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:02,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:02,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:02,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:02,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1369866229, now seen corresponding path program 1 times [2025-01-10 07:14:02,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:02,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997695158] [2025-01-10 07:14:02,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:02,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:02,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 07:14:02,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 07:14:02,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,187 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:02,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 07:14:02,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 07:14:02,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:02,225 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:02,225 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:02,225 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:02,225 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:02,225 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:14:02,225 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,225 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:02,225 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:02,225 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2025-01-10 07:14:02,225 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:02,225 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:02,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:02,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:02,314 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:02,314 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:14:02,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,315 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-01-10 07:14:02,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:14:02,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:02,335 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:14:02,335 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: [] [2025-01-10 07:14:02,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:02,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,342 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-01-10 07:14:02,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:14:02,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:02,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:02,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,367 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-01-10 07:14:02,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:14:02,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:02,392 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:14:02,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:02,397 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:02,397 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:02,397 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:02,397 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:02,397 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:14:02,397 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,397 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:02,397 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:02,397 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration4_Loop [2025-01-10 07:14:02,397 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:02,397 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:02,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:02,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:02,477 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:02,478 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:14:02,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,480 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-01-10 07:14:02,481 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 [2025-01-10 07:14:02,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:14:02,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:14:02,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:14:02,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:14:02,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:14:02,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:14:02,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:14:02,503 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:14:02,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-01-10 07:14:02,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,513 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-01-10 07:14:02,516 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 [2025-01-10 07:14:02,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:14:02,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:14:02,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:14:02,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:14:02,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:14:02,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:14:02,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:14:02,530 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:14:02,531 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:14:02,531 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:14:02,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,534 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-01-10 07:14:02,537 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:14:02,540 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:14:02,541 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:14:02,541 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2025-01-10 07:14:02,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:02,550 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:14:02,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:02,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:14:02,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:14:02,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:02,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:14:02,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:02,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:02,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:02,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:02,616 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:14:02,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:14:02,632 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 [2025-01-10 07:14:02,635 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 45 transitions. cyclomatic complexity: 18 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-10 07:14:02,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 45 transitions. cyclomatic complexity: 18. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 33 states and 47 transitions. Complement of second has 4 states. [2025-01-10 07:14:02,648 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 [2025-01-10 07:14:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-10 07:14:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2025-01-10 07:14:02,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 2 letters. [2025-01-10 07:14:02,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:02,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 12 letters. Loop has 2 letters. [2025-01-10 07:14:02,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:02,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 4 letters. [2025-01-10 07:14:02,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:02,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2025-01-10 07:14:02,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:14:02,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 29 states and 42 transitions. [2025-01-10 07:14:02,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2025-01-10 07:14:02,650 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2025-01-10 07:14:02,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 42 transitions. [2025-01-10 07:14:02,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:14:02,650 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 42 transitions. [2025-01-10 07:14:02,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 42 transitions. [2025-01-10 07:14:02,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2025-01-10 07:14:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 28 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) [2025-01-10 07:14:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2025-01-10 07:14:02,651 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 42 transitions. [2025-01-10 07:14:02,652 INFO L432 stractBuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2025-01-10 07:14:02,652 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-01-10 07:14:02,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 42 transitions. [2025-01-10 07:14:02,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:14:02,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:14:02,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:14:02,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:14:02,652 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:14:02,652 INFO L752 eck$LassoCheckResult]: Stem: "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);" "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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#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;" "assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0;" "base2flt_#res#1 := base2flt_~__retres4~0#1;" "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;" "assume !(0 == base2flt_~m#1 % 4294967296);" "assume !(base2flt_~m#1 % 4294967296 < 16777216);" [2025-01-10 07:14:02,652 INFO L754 eck$LassoCheckResult]: Loop: "assume base2flt_~m#1 % 4294967296 >= 33554432;" "assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2;" [2025-01-10 07:14:02,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:02,658 INFO L85 PathProgramCache]: Analyzing trace with hash 50587430, now seen corresponding path program 1 times [2025-01-10 07:14:02,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:02,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159396873] [2025-01-10 07:14:02,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:02,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:02,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:14:02,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:14:02,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,678 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:02,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:14:02,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:14:02,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:02,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:02,697 INFO L85 PathProgramCache]: Analyzing trace with hash 7017, now seen corresponding path program 1 times [2025-01-10 07:14:02,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:02,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128436844] [2025-01-10 07:14:02,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:02,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:02,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:02,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:02,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,708 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:02,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:02,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:02,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:02,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:02,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1369886030, now seen corresponding path program 1 times [2025-01-10 07:14:02,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:14:02,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489921811] [2025-01-10 07:14:02,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:14:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:14:02,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 07:14:02,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 07:14:02,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,738 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:14:02,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 07:14:02,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 07:14:02,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:02,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:14:02,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:14:02,804 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:02,804 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:02,804 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:02,804 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:02,804 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:14:02,804 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,804 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:02,804 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:02,804 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2025-01-10 07:14:02,804 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:02,804 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:02,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:02,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:02,910 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:02,911 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:14:02,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,916 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-01-10 07:14:02,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:14:02,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:02,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:02,950 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:02,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-01-10 07:14:02,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:14:02,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:14:02,972 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:14:02,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:02,976 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:14:02,976 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:14:02,976 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:14:02,976 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:14:02,976 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:14:02,976 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:02,976 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:14:02,976 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:14:02,976 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-3a.c.cil.c_Iteration5_Loop [2025-01-10 07:14:02,976 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:14:02,976 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:14:02,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:02,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:14:03,042 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:14:03,042 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:14:03,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:03,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:03,045 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:03,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-01-10 07:14:03,050 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 [2025-01-10 07:14:03,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:14:03,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:14:03,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:14:03,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:14:03,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:14:03,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:14:03,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:14:03,077 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:14:03,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:03,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:03,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:03,092 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:03,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-01-10 07:14:03,095 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 [2025-01-10 07:14:03,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:14:03,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:14:03,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:14:03,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:14:03,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:14:03,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:14:03,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:14:03,108 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:14:03,112 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:14:03,112 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:14:03,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:14:03,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:14:03,114 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:14:03,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-01-10 07:14:03,117 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:14:03,117 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:14:03,117 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:14:03,117 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2025-01-10 07:14:03,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:03,124 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:14:03,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:14:03,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:14:03,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:14:03,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:03,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:03,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:14:03,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:03,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:14:03,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:14:03,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:14:03,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:14:03,210 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:14:03,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:14:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:14:03,213 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 [2025-01-10 07:14:03,213 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-10 07:14:03,223 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 42 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 31 states and 45 transitions. Complement of second has 4 states. [2025-01-10 07:14:03,223 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 [2025-01-10 07:14:03,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-10 07:14:03,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2025-01-10 07:14:03,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 2 letters. [2025-01-10 07:14:03,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:03,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 12 letters. Loop has 2 letters. [2025-01-10 07:14:03,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:03,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 4 letters. [2025-01-10 07:14:03,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:14:03,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2025-01-10 07:14:03,224 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:14:03,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2025-01-10 07:14:03,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-01-10 07:14:03,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-01-10 07:14:03,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-01-10 07:14:03,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:14:03,225 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:14:03,225 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:14:03,225 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:14:03,225 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-01-10 07:14:03,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-01-10 07:14:03,225 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:14:03,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-01-10 07:14:03,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:14:03 BoogieIcfgContainer [2025-01-10 07:14:03,237 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:14:03,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:14:03,237 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:14:03,237 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:14:03,239 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:13:59" (3/4) ... [2025-01-10 07:14:03,240 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 07:14:03,241 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:14:03,242 INFO L158 Benchmark]: Toolchain (without parser) took 4117.67ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 52.5MB in the end (delta: 68.0MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2025-01-10 07:14:03,242 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 226.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:14:03,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.68ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 106.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:14:03,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.70ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 103.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:14:03,243 INFO L158 Benchmark]: Boogie Preprocessor took 31.94ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 101.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:14:03,244 INFO L158 Benchmark]: RCFGBuilder took 477.13ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 71.2MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-10 07:14:03,244 INFO L158 Benchmark]: BuchiAutomizer took 3307.04ms. Allocated memory is still 167.8MB. Free memory was 71.2MB in the beginning and 52.5MB in the end (delta: 18.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2025-01-10 07:14:03,244 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 167.8MB. Free memory was 52.5MB in the beginning and 52.5MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:14:03,245 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 226.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.68ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 106.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.70ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 103.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.94ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 101.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 477.13ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 71.2MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3307.04ms. Allocated memory is still 167.8MB. Free memory was 71.2MB in the beginning and 52.5MB in the end (delta: 18.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 167.8MB. Free memory was 52.5MB in the beginning and 52.5MB in the end (delta: 37.0kB). 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) + 255) 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) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. 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, 50 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, 350 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 414 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 381 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp60 ukn100 mio100 lsp100 div617 bol100 ite100 ukn100 eq135 hnf96 smp41 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 0 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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! [2025-01-10 07:14:03,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:03,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-01-10 07:14:03,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-01-10 07:14:03,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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