./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:45:17,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:45:17,914 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 22:45:17,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:45:17,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:45:17,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:45:17,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:45:17,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:45:17,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:45:17,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:45:17,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:45:17,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:45:17,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:45:17,945 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:45:17,945 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:45:17,945 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:45:17,945 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:45:17,945 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:45:17,945 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:45:17,945 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:45:17,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:45:17,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:45:17,947 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:45:17,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:45:17,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:45:17,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:45:17,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:45:17,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:45:17,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:45:17,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:45:17,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:45:17,948 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:45:17,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:45:17,948 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:45:17,948 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:45:17,949 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:45:17,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:45:17,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:45:17,949 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:45:17,949 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:45:17,949 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 [2024-11-10 22:45:18,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:45:18,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:45:18,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:45:18,193 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:45:18,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:45:18,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2024-11-10 22:45:19,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:45:19,566 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:45:19,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2024-11-10 22:45:19,574 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267be88a8/7bd65c0e4ff441c5bb6b64a2c5096882/FLAGa3e034145 [2024-11-10 22:45:19,966 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267be88a8/7bd65c0e4ff441c5bb6b64a2c5096882 [2024-11-10 22:45:19,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:45:19,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:45:19,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:45:19,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:45:19,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:45:19,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:45:19" (1/1) ... [2024-11-10 22:45:19,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e5fc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:19, skipping insertion in model container [2024-11-10 22:45:19,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:45:19" (1/1) ... [2024-11-10 22:45:20,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:45:20,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:45:20,206 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:45:20,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:45:20,270 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:45:20,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20 WrapperNode [2024-11-10 22:45:20,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:45:20,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:45:20,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:45:20,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:45:20,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,321 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 385 [2024-11-10 22:45:20,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:45:20,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:45:20,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:45:20,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:45:20,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,360 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 22:45:20,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:45:20,377 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:45:20,377 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:45:20,377 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:45:20,378 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (1/1) ... [2024-11-10 22:45:20,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:20,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:20,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:20,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 22:45:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:45:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:45:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:45:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:45:20,542 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:45:20,544 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:45:20,930 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-10 22:45:20,930 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:45:20,959 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:45:20,960 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 22:45:20,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:20 BoogieIcfgContainer [2024-11-10 22:45:20,961 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:45:20,962 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:45:20,962 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:45:20,965 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:45:20,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:45:20,967 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:45:19" (1/3) ... [2024-11-10 22:45:20,968 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7996df07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:45:20, skipping insertion in model container [2024-11-10 22:45:20,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:45:20,968 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:20" (2/3) ... [2024-11-10 22:45:20,968 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7996df07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:45:20, skipping insertion in model container [2024-11-10 22:45:20,969 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:45:20,969 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:20" (3/3) ... [2024-11-10 22:45:20,970 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2024-11-10 22:45:21,009 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:45:21,009 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:45:21,009 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:45:21,009 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:45:21,009 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:45:21,009 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:45:21,009 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:45:21,010 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:45:21,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 148 states, 147 states have (on average 1.5442176870748299) internal successors, (227), 147 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:21,038 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2024-11-10 22:45:21,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:21,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:21,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-10 22:45:21,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:21,045 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:45:21,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 148 states, 147 states have (on average 1.5442176870748299) internal successors, (227), 147 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:21,054 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2024-11-10 22:45:21,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:21,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:21,054 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-10 22:45:21,055 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:21,063 INFO L745 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRYtrue 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); 34#ULTIMATE.init_returnLabel#1true assume true;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; 40#L30-2true assume !(0 == base2flt_~m#1 % 4294967296); 120#L36-2true assume base2flt_~m#1 % 4294967296 < 16777216; 79#L38-4true [2024-11-10 22:45:21,063 INFO L747 eck$LassoCheckResult]: Loop: 79#L38-4true assume true; 6#L38-5true assume !false;assume true; 53#L40-2true assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 4#L48-2true assume base2flt_~m#1 % 4294967296 < 16777216; 79#L38-4true [2024-11-10 22:45:21,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:21,068 INFO L85 PathProgramCache]: Analyzing trace with hash 10003772, now seen corresponding path program 1 times [2024-11-10 22:45:21,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:21,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174986150] [2024-11-10 22:45:21,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:21,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:21,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:45:21,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174986150] [2024-11-10 22:45:21,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174986150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:45:21,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:45:21,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:45:21,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836169460] [2024-11-10 22:45:21,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:45:21,298 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 22:45:21,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:21,300 INFO L85 PathProgramCache]: Analyzing trace with hash 9295642, now seen corresponding path program 1 times [2024-11-10 22:45:21,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:21,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26818751] [2024-11-10 22:45:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:21,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:21,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:21,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:21,372 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:21,373 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:21,373 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:21,373 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:21,373 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:45:21,373 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:21,373 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:21,373 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:21,374 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2024-11-10 22:45:21,374 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:21,374 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:21,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:21,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:21,516 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:21,516 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:45:21,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:21,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:21,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:21,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-10 22:45:21,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:45:21,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:21,552 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:45:21,553 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:45:21,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-10 22:45:21,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:21,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:21,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:21,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-10 22:45:21,563 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:45:21,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:21,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-10 22:45:21,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:21,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:21,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:21,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-10 22:45:21,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:45:21,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:21,616 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:45:21,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:21,621 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:21,621 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:21,621 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:21,621 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:21,621 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:45:21,621 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:21,621 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:21,621 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:21,621 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2024-11-10 22:45:21,621 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:21,622 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:21,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:21,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:21,733 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:21,737 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:45:21,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:21,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:21,739 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:21,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-10 22:45:21,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:21,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:21,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:21,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:21,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:21,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:21,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:21,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:21,764 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:21,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-10 22:45:21,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:21,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:21,778 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:21,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-10 22:45:21,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:21,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:21,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:21,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:21,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:21,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:21,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:21,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:21,817 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:45:21,819 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:45:21,819 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:45:21,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:21,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:21,936 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:21,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-10 22:45:21,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:45:21,941 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:45:21,941 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:45:21,941 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-10 22:45:21,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-10 22:45:21,955 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:45:21,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-10 22:45:22,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:22,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:45:22,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:22,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:45:22,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:22,091 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:45:22,093 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 148 states, 147 states have (on average 1.5442176870748299) internal successors, (227), 147 states have internal predecessors, (227), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:22,202 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 148 states, 147 states have (on average 1.5442176870748299) internal successors, (227), 147 states have internal predecessors, (227), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 438 states and 660 transitions. Complement of second has 6 states. [2024-11-10 22:45:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:45:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 436 transitions. [2024-11-10 22:45:22,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 436 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-10 22:45:22,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:22,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 436 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-10 22:45:22,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:22,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 436 transitions. Stem has 4 letters. Loop has 8 letters. [2024-11-10 22:45:22,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:22,213 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 438 states and 660 transitions. [2024-11-10 22:45:22,223 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 36 [2024-11-10 22:45:22,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 438 states to 103 states and 144 transitions. [2024-11-10 22:45:22,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2024-11-10 22:45:22,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2024-11-10 22:45:22,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 144 transitions. [2024-11-10 22:45:22,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:45:22,231 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 144 transitions. [2024-11-10 22:45:22,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 144 transitions. [2024-11-10 22:45:22,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 80. [2024-11-10 22:45:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 80 states have (on average 1.45) internal successors, (116), 79 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 116 transitions. [2024-11-10 22:45:22,253 INFO L240 hiAutomatonCegarLoop]: Abstraction has 80 states and 116 transitions. [2024-11-10 22:45:22,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:45:22,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:45:22,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:45:22,255 INFO L87 Difference]: Start difference. First operand 80 states and 116 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) [2024-11-10 22:45:22,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:45:22,300 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2024-11-10 22:45:22,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2024-11-10 22:45:22,301 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2024-11-10 22:45:22,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 48 transitions. [2024-11-10 22:45:22,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2024-11-10 22:45:22,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2024-11-10 22:45:22,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 48 transitions. [2024-11-10 22:45:22,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:45:22,302 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-11-10 22:45:22,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 48 transitions. [2024-11-10 22:45:22,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-10 22:45:22,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 36 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2024-11-10 22:45:22,304 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-11-10 22:45:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:45:22,305 INFO L425 stractBuchiCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-11-10 22:45:22,305 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:45:22,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 48 transitions. [2024-11-10 22:45:22,306 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2024-11-10 22:45:22,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:22,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:22,306 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:45:22,306 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:22,306 INFO L745 eck$LassoCheckResult]: Stem: 780#ULTIMATE.startENTRY 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); 781#ULTIMATE.init_returnLabel#1 assume true;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; 753#L30-2 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 754#L32-2 assume true;base2flt_#res#1 := base2flt_~__retres4~0#1; 768#L81-2 assume true;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; 784#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 775#L36-1 assume base2flt_~m#1 % 4294967296 < 16777216; 776#L38-2 [2024-11-10 22:45:22,307 INFO L747 eck$LassoCheckResult]: Loop: 776#L38-2 assume true; 757#L38-3 assume !false;assume true; 758#L40-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 786#L48-1 assume base2flt_~m#1 % 4294967296 < 16777216; 776#L38-2 [2024-11-10 22:45:22,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:22,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1667604382, now seen corresponding path program 1 times [2024-11-10 22:45:22,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:22,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670089932] [2024-11-10 22:45:22,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:22,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:22,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:22,324 INFO L85 PathProgramCache]: Analyzing trace with hash 7694874, now seen corresponding path program 1 times [2024-11-10 22:45:22,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:22,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789069242] [2024-11-10 22:45:22,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:22,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:22,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:22,337 INFO L85 PathProgramCache]: Analyzing trace with hash -224922825, now seen corresponding path program 1 times [2024-11-10 22:45:22,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:22,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038722151] [2024-11-10 22:45:22,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:22,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:22,397 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:22,397 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:22,397 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:22,397 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:22,397 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:45:22,397 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,398 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:22,398 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:22,398 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2024-11-10 22:45:22,398 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:22,398 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:22,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:22,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:22,492 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:22,493 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:45:22,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:22,494 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:22,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-10 22:45:22,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:45:22,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:22,518 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:45:22,518 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:45:22,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-10 22:45:22,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:22,524 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:22,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-10 22:45:22,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:45:22,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:22,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-10 22:45:22,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:22,550 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:22,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-10 22:45:22,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:45:22,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:22,577 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:45:22,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-10 22:45:22,580 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:22,580 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:22,580 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:22,580 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:22,581 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:45:22,581 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,581 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:22,581 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:22,581 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2024-11-10 22:45:22,581 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:22,581 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:22,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:22,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:22,665 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:22,665 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:45:22,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:22,667 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:22,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-10 22:45:22,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:22,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:22,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:22,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:22,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:22,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:22,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:22,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:22,684 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:22,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-10 22:45:22,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:22,696 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:22,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-10 22:45:22,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:22,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:22,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:22,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:22,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:22,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:22,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:22,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:22,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:45:22,715 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:45:22,715 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:45:22,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:22,717 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:22,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-10 22:45:22,718 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:45:22,719 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:45:22,719 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:45:22,719 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-10 22:45:22,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:22,730 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:45:22,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:22,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:45:22,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:22,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:45:22,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:22,789 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:45:22,789 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 48 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:22,811 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 48 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 70 states and 89 transitions. Complement of second has 5 states. [2024-11-10 22:45:22,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:45:22,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:22,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2024-11-10 22:45:22,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 56 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-10 22:45:22,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:22,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 56 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-10 22:45:22,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:22,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 56 transitions. Stem has 7 letters. Loop has 8 letters. [2024-11-10 22:45:22,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:22,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 89 transitions. [2024-11-10 22:45:22,813 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 20 [2024-11-10 22:45:22,814 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 62 states and 79 transitions. [2024-11-10 22:45:22,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2024-11-10 22:45:22,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2024-11-10 22:45:22,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 79 transitions. [2024-11-10 22:45:22,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:45:22,814 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 79 transitions. [2024-11-10 22:45:22,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 79 transitions. [2024-11-10 22:45:22,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 41. [2024-11-10 22:45:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 40 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2024-11-10 22:45:22,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-11-10 22:45:22,817 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-11-10 22:45:22,817 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 22:45:22,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 53 transitions. [2024-11-10 22:45:22,818 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2024-11-10 22:45:22,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:22,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:22,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:45:22,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:22,818 INFO L745 eck$LassoCheckResult]: Stem: 944#ULTIMATE.startENTRY 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); 945#ULTIMATE.init_returnLabel#1 assume true;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; 913#L30-2 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 914#L32-2 assume true;base2flt_#res#1 := base2flt_~__retres4~0#1; 930#L81-2 assume true;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; 948#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 937#L36-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 936#L58-2 [2024-11-10 22:45:22,818 INFO L747 eck$LassoCheckResult]: Loop: 936#L58-2 assume true; 932#L58-3 assume !false;assume true; 924#L60-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 925#L65-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 936#L58-2 [2024-11-10 22:45:22,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:22,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1667604383, now seen corresponding path program 1 times [2024-11-10 22:45:22,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:22,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190156386] [2024-11-10 22:45:22,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:22,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:22,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:22,839 INFO L85 PathProgramCache]: Analyzing trace with hash 8156606, now seen corresponding path program 1 times [2024-11-10 22:45:22,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:22,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074282741] [2024-11-10 22:45:22,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:22,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:22,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:22,854 INFO L85 PathProgramCache]: Analyzing trace with hash -223537572, now seen corresponding path program 1 times [2024-11-10 22:45:22,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:22,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383999079] [2024-11-10 22:45:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:22,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:22,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:22,903 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:22,903 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:22,903 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:22,904 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:22,904 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:45:22,904 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,904 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:22,904 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:22,904 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2024-11-10 22:45:22,904 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:22,904 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:22,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:22,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:22,971 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:22,974 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:45:22,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:22,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:22,976 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:22,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-10 22:45:22,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:45:22,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:22,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-10 22:45:23,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,001 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-10 22:45:23,003 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:45:23,003 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:23,029 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:45:23,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-10 22:45:23,034 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:23,034 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:23,034 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:23,034 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:23,034 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:45:23,034 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,034 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:23,034 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:23,034 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2024-11-10 22:45:23,034 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:23,034 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:23,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,101 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:23,101 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:45:23,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,102 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-10 22:45:23,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:23,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:23,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:23,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:23,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:23,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:23,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:23,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:23,119 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:45:23,121 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:45:23,121 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:45:23,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,123 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-10 22:45:23,137 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:45:23,137 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:45:23,138 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:45:23,138 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-10 22:45:23,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-10 22:45:23,152 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:45:23,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-10 22:45:23,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:23,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:45:23,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:23,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:45:23,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:23,235 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-10 22:45:23,236 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:23,256 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 73 states and 93 transitions. Complement of second has 5 states. [2024-11-10 22:45:23,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:45:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:23,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2024-11-10 22:45:23,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 55 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-10 22:45:23,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:23,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 55 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-10 22:45:23,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:23,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 55 transitions. Stem has 7 letters. Loop has 8 letters. [2024-11-10 22:45:23,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:23,258 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 93 transitions. [2024-11-10 22:45:23,259 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2024-11-10 22:45:23,259 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 65 states and 83 transitions. [2024-11-10 22:45:23,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2024-11-10 22:45:23,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 57 [2024-11-10 22:45:23,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 83 transitions. [2024-11-10 22:45:23,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:45:23,260 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 83 transitions. [2024-11-10 22:45:23,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 83 transitions. [2024-11-10 22:45:23,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 45. [2024-11-10 22:45:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.288888888888889) internal successors, (58), 44 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:23,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2024-11-10 22:45:23,262 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 58 transitions. [2024-11-10 22:45:23,262 INFO L425 stractBuchiCegarLoop]: Abstraction has 45 states and 58 transitions. [2024-11-10 22:45:23,262 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 22:45:23,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 58 transitions. [2024-11-10 22:45:23,262 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-10 22:45:23,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:23,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:23,263 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:45:23,263 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:23,263 INFO L745 eck$LassoCheckResult]: Stem: 1114#ULTIMATE.startENTRY 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); 1115#ULTIMATE.init_returnLabel#1 assume true;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; 1079#L30-2 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1080#L32-2 assume true;base2flt_#res#1 := base2flt_~__retres4~0#1; 1098#L81-2 assume true;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; 1118#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1087#L32-1 assume true;base2flt_#res#1 := base2flt_~__retres4~0#1; 1088#L81-1 assume true;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; 1081#L30 assume !(0 == base2flt_~m#1 % 4294967296); 1082#L36 assume base2flt_~m#1 % 4294967296 < 16777216; 1111#L38 [2024-11-10 22:45:23,263 INFO L747 eck$LassoCheckResult]: Loop: 1111#L38 assume true; 1112#L38-1 assume !false;assume true; 1113#L40 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1110#L48 assume base2flt_~m#1 % 4294967296 < 16777216; 1111#L38 [2024-11-10 22:45:23,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:23,264 INFO L85 PathProgramCache]: Analyzing trace with hash -286644152, now seen corresponding path program 1 times [2024-11-10 22:45:23,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:23,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887684563] [2024-11-10 22:45:23,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:23,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:23,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:23,287 INFO L85 PathProgramCache]: Analyzing trace with hash 6094106, now seen corresponding path program 1 times [2024-11-10 22:45:23,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:23,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363866393] [2024-11-10 22:45:23,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:23,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:23,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:23,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1579439647, now seen corresponding path program 1 times [2024-11-10 22:45:23,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:23,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028108452] [2024-11-10 22:45:23,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:23,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:23,336 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:23,337 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:23,337 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:23,337 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:23,337 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:45:23,337 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,337 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:23,337 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:23,337 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2024-11-10 22:45:23,337 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:23,337 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:23,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,416 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:23,416 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:45:23,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,419 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-10 22:45:23,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:45:23,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:23,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-10 22:45:23,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,444 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-10 22:45:23,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:45:23,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:23,472 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:45:23,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:23,476 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:23,476 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:23,476 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:23,476 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:23,476 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:45:23,476 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,476 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:23,476 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:23,476 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2024-11-10 22:45:23,476 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:23,476 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:23,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,551 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:23,551 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:45:23,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,554 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-10 22:45:23,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:23,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:23,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:23,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:23,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:23,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:23,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:23,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:23,572 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:45:23,573 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:45:23,573 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:45:23,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,575 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-10 22:45:23,577 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:45:23,577 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:45:23,577 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:45:23,577 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-10 22:45:23,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-10 22:45:23,588 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:45:23,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:23,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:45:23,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:23,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:45:23,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:23,656 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:45:23,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 58 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:23,666 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 58 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 50 states and 64 transitions. Complement of second has 4 states. [2024-11-10 22:45:23,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:45:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2024-11-10 22:45:23,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-10 22:45:23,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:23,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 14 letters. Loop has 4 letters. [2024-11-10 22:45:23,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:23,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-10 22:45:23,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:23,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 64 transitions. [2024-11-10 22:45:23,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:45:23,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 41 states and 53 transitions. [2024-11-10 22:45:23,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-11-10 22:45:23,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-11-10 22:45:23,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2024-11-10 22:45:23,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:45:23,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-11-10 22:45:23,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2024-11-10 22:45:23,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-10 22:45:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 40 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2024-11-10 22:45:23,672 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-11-10 22:45:23,673 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-11-10 22:45:23,673 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-10 22:45:23,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 53 transitions. [2024-11-10 22:45:23,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:45:23,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:23,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:23,673 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:45:23,673 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:23,673 INFO L745 eck$LassoCheckResult]: Stem: 1266#ULTIMATE.startENTRY 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); 1267#ULTIMATE.init_returnLabel#1 assume true;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; 1235#L30-2 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1236#L32-2 assume true;base2flt_#res#1 := base2flt_~__retres4~0#1; 1254#L81-2 assume true;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; 1270#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1243#L32-1 assume true;base2flt_#res#1 := base2flt_~__retres4~0#1; 1244#L81-1 assume true;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; 1237#L30 assume !(0 == base2flt_~m#1 % 4294967296); 1238#L36 assume !(base2flt_~m#1 % 4294967296 < 16777216); 1251#L58 [2024-11-10 22:45:23,673 INFO L747 eck$LassoCheckResult]: Loop: 1251#L58 assume true; 1252#L58-1 assume !false;assume true; 1255#L60 assume base2flt_~m#1 % 4294967296 >= 33554432; 1271#L65 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 1251#L58 [2024-11-10 22:45:23,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:23,675 INFO L85 PathProgramCache]: Analyzing trace with hash -286644151, now seen corresponding path program 1 times [2024-11-10 22:45:23,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:23,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630817719] [2024-11-10 22:45:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:23,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:23,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:23,695 INFO L85 PathProgramCache]: Analyzing trace with hash 6555838, now seen corresponding path program 1 times [2024-11-10 22:45:23,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:23,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737122651] [2024-11-10 22:45:23,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:23,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:23,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:23,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1578054394, now seen corresponding path program 1 times [2024-11-10 22:45:23,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:23,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423409080] [2024-11-10 22:45:23,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:23,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:23,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:23,740 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:23,740 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:23,740 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:23,740 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:23,740 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:45:23,740 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,740 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:23,740 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:23,740 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2024-11-10 22:45:23,740 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:23,740 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:23,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,802 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:23,802 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:45:23,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,804 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-10 22:45:23,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:45:23,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:23,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-10 22:45:23,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,830 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-10 22:45:23,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:45:23,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:45:23,855 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:45:23,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:23,859 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:23,859 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:23,859 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:23,859 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:23,860 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:45:23,860 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,860 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:23,860 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:23,860 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2024-11-10 22:45:23,860 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:23,860 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:23,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:23,921 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:23,922 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:45:23,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,923 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-10 22:45:23,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:23,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:23,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:23,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:23,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:23,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:23,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:23,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:23,937 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:23,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:23,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,948 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-10 22:45:23,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:23,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:23,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:23,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:23,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:23,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:23,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:23,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:23,961 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:45:23,963 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:45:23,963 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:45:23,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:23,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:23,964 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:23,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-10 22:45:23,966 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:45:23,966 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:45:23,966 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:45:23,966 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-10 22:45:23,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:23,976 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:45:23,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:23,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:45:23,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:24,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:45:24,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:24,013 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-10 22:45:24,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:24,028 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 45 states and 58 transitions. Complement of second has 4 states. [2024-11-10 22:45:24,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:45:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2024-11-10 22:45:24,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-10 22:45:24,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:24,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 14 letters. Loop has 4 letters. [2024-11-10 22:45:24,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:24,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-10 22:45:24,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:24,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2024-11-10 22:45:24,029 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:45:24,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2024-11-10 22:45:24,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:45:24,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:45:24,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:45:24,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:45:24,030 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:45:24,030 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:45:24,030 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:45:24,030 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-10 22:45:24,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 22:45:24,030 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:45:24,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 22:45:24,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:45:24 BoogieIcfgContainer [2024-11-10 22:45:24,035 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:45:24,036 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:45:24,036 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:45:24,036 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:45:24,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:20" (3/4) ... [2024-11-10 22:45:24,038 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:45:24,038 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:45:24,039 INFO L158 Benchmark]: Toolchain (without parser) took 4069.18ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 116.9MB in the beginning and 95.1MB in the end (delta: 21.8MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-11-10 22:45:24,039 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:45:24,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.33ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 100.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 22:45:24,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.42ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 98.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:45:24,039 INFO L158 Benchmark]: Boogie Preprocessor took 50.77ms. Allocated memory is still 167.8MB. Free memory was 98.0MB in the beginning and 95.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:45:24,040 INFO L158 Benchmark]: IcfgBuilder took 584.25ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 104.7MB in the end (delta: -9.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 22:45:24,040 INFO L158 Benchmark]: BuchiAutomizer took 3073.06ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 104.7MB in the beginning and 95.1MB in the end (delta: 9.6MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-10 22:45:24,040 INFO L158 Benchmark]: Witness Printer took 2.56ms. Allocated memory is still 211.8MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:45:24,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.33ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 100.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.42ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 98.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.77ms. Allocated memory is still 167.8MB. Free memory was 98.0MB in the beginning and 95.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 584.25ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 104.7MB in the end (delta: -9.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 3073.06ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 104.7MB in the beginning and 95.1MB in the end (delta: 9.6MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Witness Printer took 2.56ms. Allocated memory is still 211.8MB. Free memory is still 95.1MB. 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 3.0s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 64 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, 405 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 400 mSDsluCounter, 475 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 422 mSDtfsCounter, 111 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: 26ms 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! [2024-11-10 22:45:24,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-10 22:45:24,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:24,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:24,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE