./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-wip.dd.update-z3-fca748b-m [2024-11-20 22:22:02,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:22:02,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-20 22:22:02,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:22:02,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:22:02,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:22:02,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:22:02,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:22:02,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:22:02,616 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:22:02,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:22:02,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:22:02,618 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:22:02,618 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:22:02,622 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:22:02,622 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:22:02,622 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:22:02,622 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:22:02,623 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:22:02,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:22:02,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:22:02,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 22:22:02,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:22:02,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 22:22:02,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:22:02,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:22:02,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:22:02,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:22:02,625 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:22:02,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:22:02,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 22:22:02,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:22:02,625 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:22:02,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:22:02,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:22:02,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:22:02,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:22:02,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:22:02,626 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:22:02,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 [2024-11-20 22:22:02,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:22:02,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:22:02,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:22:02,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:22:02,886 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:22:02,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2024-11-20 22:22:04,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:22:04,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:22:04,342 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2024-11-20 22:22:04,352 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b8d8fe9/a8a8d463703e4dd8ae0bbe7110680429/FLAGba43d1df1 [2024-11-20 22:22:04,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b8d8fe9/a8a8d463703e4dd8ae0bbe7110680429 [2024-11-20 22:22:04,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:22:04,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:22:04,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:22:04,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:22:04,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:22:04,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:22:04" (1/1) ... [2024-11-20 22:22:04,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b7aaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:04, skipping insertion in model container [2024-11-20 22:22:04,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:22:04" (1/1) ... [2024-11-20 22:22:04,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:22:04,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:22:04,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:22:04,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:22:05,019 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:22:05,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05 WrapperNode [2024-11-20 22:22:05,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:22:05,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:22:05,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:22:05,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:22:05,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,078 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 391 [2024-11-20 22:22:05,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:22:05,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:22:05,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:22:05,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:22:05,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,105 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]. [2024-11-20 22:22:05,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:22:05,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:22:05,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:22:05,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:22:05,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (1/1) ... [2024-11-20 22:22:05,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:05,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:05,160 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) [2024-11-20 22:22:05,165 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 [2024-11-20 22:22:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 22:22:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 22:22:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:22:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:22:05,248 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:22:05,250 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:22:05,652 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-20 22:22:05,652 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:22:05,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:22:05,663 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-20 22:22:05,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:22:05 BoogieIcfgContainer [2024-11-20 22:22:05,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:22:05,664 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:22:05,664 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:22:05,667 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:22:05,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:22:05,668 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:22:04" (1/3) ... [2024-11-20 22:22:05,668 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41e90336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:22:05, skipping insertion in model container [2024-11-20 22:22:05,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:22:05,669 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:05" (2/3) ... [2024-11-20 22:22:05,669 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41e90336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:22:05, skipping insertion in model container [2024-11-20 22:22:05,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:22:05,669 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:22:05" (3/3) ... [2024-11-20 22:22:05,670 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2024-11-20 22:22:05,712 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:22:05,712 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:22:05,713 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:22:05,713 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:22:05,713 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:22:05,713 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:22:05,713 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:22:05,713 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:22:05,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 135 states, 134 states have (on average 1.5970149253731343) internal successors, (214), 134 states have internal predecessors, (214), 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) [2024-11-20 22:22:05,737 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-11-20 22:22:05,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:22:05,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:22:05,743 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-20 22:22:05,743 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:22:05,743 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:22:05,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 135 states, 134 states have (on average 1.5970149253731343) internal successors, (214), 134 states have internal predecessors, (214), 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) [2024-11-20 22:22:05,748 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2024-11-20 22:22:05,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:22:05,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:22:05,749 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-20 22:22:05,749 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:22:05,755 INFO L745 eck$LassoCheckResult]: Stem: 34#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 42#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 73#L30true assume !(0 == base2flt_~m#1 % 4294967296); 124#L36true assume !(base2flt_~m#1 % 4294967296 < 16777216); 21#L58-2true [2024-11-20 22:22:05,755 INFO L747 eck$LassoCheckResult]: Loop: 21#L58-2true assume !false; 102#L59true assume base2flt_~m#1 % 4294967296 >= 33554432; 131#L60true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 21#L58-2true [2024-11-20 22:22:05,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:05,760 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2024-11-20 22:22:05,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:05,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102283276] [2024-11-20 22:22:05,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:05,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:22:05,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:22:05,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102283276] [2024-11-20 22:22:05,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102283276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:22:05,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:22:05,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 22:22:05,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16316925] [2024-11-20 22:22:05,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:22:05,918 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-20 22:22:05,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:05,919 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2024-11-20 22:22:05,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:05,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429715588] [2024-11-20 22:22:05,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:05,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:05,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:05,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:05,998 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:05,999 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:05,999 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:05,999 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:05,999 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:22:05,999 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:06,000 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:06,000 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:06,000 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2024-11-20 22:22:06,000 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:06,000 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:06,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:06,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:06,143 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:06,147 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:22:06,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:06,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:06,154 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) [2024-11-20 22:22:06,160 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 [2024-11-20 22:22:06,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:22:06,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:06,189 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 [2024-11-20 22:22:06,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:06,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:06,192 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) [2024-11-20 22:22:06,193 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 [2024-11-20 22:22:06,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:22:06,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:06,216 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:22:06,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:06,221 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:06,222 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:06,222 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:06,222 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:06,222 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:22:06,222 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:06,222 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:06,222 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:06,222 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration1_Loop [2024-11-20 22:22:06,222 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:06,222 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:06,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:06,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:06,337 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:06,344 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:22:06,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:06,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:06,347 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) [2024-11-20 22:22:06,349 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 [2024-11-20 22:22:06,350 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 [2024-11-20 22:22:06,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:22:06,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:22:06,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:22:06,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:22:06,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:22:06,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:22:06,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:22:06,368 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:22:06,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-20 22:22:06,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:06,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:06,384 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) [2024-11-20 22:22:06,387 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 [2024-11-20 22:22:06,388 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 [2024-11-20 22:22:06,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:22:06,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:22:06,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:22:06,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:22:06,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:22:06,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:22:06,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:22:06,404 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:22:06,408 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:22:06,408 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:22:06,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:06,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:06,437 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) [2024-11-20 22:22:06,441 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 [2024-11-20 22:22:06,442 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:22:06,443 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:22:06,443 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:22:06,443 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-20 22:22:06,453 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 [2024-11-20 22:22:06,457 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:22:06,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:06,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:22:06,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:06,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:22:06,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:22:06,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:06,574 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 [2024-11-20 22:22:06,576 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 135 states, 134 states have (on average 1.5970149253731343) internal successors, (214), 134 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:06,676 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 135 states, 134 states have (on average 1.5970149253731343) internal successors, (214), 134 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 401 states and 627 transitions. Complement of second has 6 states. [2024-11-20 22:22:06,678 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 [2024-11-20 22:22:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 410 transitions. [2024-11-20 22:22:06,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 410 transitions. Stem has 4 letters. Loop has 3 letters. [2024-11-20 22:22:06,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:06,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 410 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-20 22:22:06,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:06,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 410 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-20 22:22:06,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:06,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 401 states and 627 transitions. [2024-11-20 22:22:06,697 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2024-11-20 22:22:06,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 401 states to 85 states and 126 transitions. [2024-11-20 22:22:06,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2024-11-20 22:22:06,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 82 [2024-11-20 22:22:06,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 126 transitions. [2024-11-20 22:22:06,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:22:06,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 85 states and 126 transitions. [2024-11-20 22:22:06,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 126 transitions. [2024-11-20 22:22:06,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 67. [2024-11-20 22:22:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.537313432835821) internal successors, (103), 66 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-20 22:22:06,735 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-20 22:22:06,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:22:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 22:22:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 22:22:06,738 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:06,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:22:06,780 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2024-11-20 22:22:06,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 42 transitions. [2024-11-20 22:22:06,781 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-20 22:22:06,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 42 transitions. [2024-11-20 22:22:06,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-11-20 22:22:06,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2024-11-20 22:22:06,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2024-11-20 22:22:06,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:22:06,784 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-11-20 22:22:06,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2024-11-20 22:22:06,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-20 22:22:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2024-11-20 22:22:06,785 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-11-20 22:22:06,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 22:22:06,789 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-11-20 22:22:06,789 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:22:06,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 42 transitions. [2024-11-20 22:22:06,790 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-20 22:22:06,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:22:06,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:22:06,790 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:22:06,790 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:22:06,790 INFO L745 eck$LassoCheckResult]: Stem: 707#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 691#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 684#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 685#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 694#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 702#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 701#L36-1 assume base2flt_~m#1 % 4294967296 < 16777216; 682#L48-3 [2024-11-20 22:22:06,790 INFO L747 eck$LassoCheckResult]: Loop: 682#L48-3 assume !false; 700#L39-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 681#L48-2 assume base2flt_~m#1 % 4294967296 < 16777216; 682#L48-3 [2024-11-20 22:22:06,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:06,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397383, now seen corresponding path program 1 times [2024-11-20 22:22:06,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:06,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045033638] [2024-11-20 22:22:06,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:06,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:06,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:06,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:06,816 INFO L85 PathProgramCache]: Analyzing trace with hash 136237, now seen corresponding path program 1 times [2024-11-20 22:22:06,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:06,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049274530] [2024-11-20 22:22:06,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:06,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:06,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:06,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:06,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:06,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1829446553, now seen corresponding path program 1 times [2024-11-20 22:22:06,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:06,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007743222] [2024-11-20 22:22:06,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:06,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:06,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:06,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:06,909 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:06,910 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:06,910 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:06,910 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:06,910 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:22:06,910 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:06,910 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:06,910 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:06,910 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2024-11-20 22:22:06,910 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:06,910 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:06,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:06,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,021 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:07,022 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:22:07,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,025 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) [2024-11-20 22:22:07,026 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 [2024-11-20 22:22:07,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:22:07,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:07,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:07,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,052 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) [2024-11-20 22:22:07,053 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 [2024-11-20 22:22:07,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:22:07,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:07,079 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:22:07,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:07,083 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:07,083 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:07,083 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:07,083 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:07,084 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:22:07,084 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,084 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:07,084 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:07,084 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration2_Loop [2024-11-20 22:22:07,084 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:07,084 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:07,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,200 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:07,201 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:22:07,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,203 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) [2024-11-20 22:22:07,204 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 [2024-11-20 22:22:07,207 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 [2024-11-20 22:22:07,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:22:07,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:22:07,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:22:07,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:22:07,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:22:07,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:22:07,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:22:07,226 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:22:07,228 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:22:07,228 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:22:07,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,231 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) [2024-11-20 22:22:07,239 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 [2024-11-20 22:22:07,240 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:22:07,240 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:22:07,241 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:22:07,241 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-20 22:22:07,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:07,248 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:22:07,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:07,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:22:07,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:07,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:22:07,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:22:07,312 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 [2024-11-20 22:22:07,312 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:07,330 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 79 transitions. Complement of second has 5 states. [2024-11-20 22:22:07,330 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 [2024-11-20 22:22:07,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2024-11-20 22:22:07,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-20 22:22:07,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:07,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-20 22:22:07,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:07,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-20 22:22:07,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:07,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 79 transitions. [2024-11-20 22:22:07,333 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2024-11-20 22:22:07,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 53 states and 70 transitions. [2024-11-20 22:22:07,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2024-11-20 22:22:07,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2024-11-20 22:22:07,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 70 transitions. [2024-11-20 22:22:07,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:22:07,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 70 transitions. [2024-11-20 22:22:07,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 70 transitions. [2024-11-20 22:22:07,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 34. [2024-11-20 22:22:07,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:07,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2024-11-20 22:22:07,336 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-20 22:22:07,336 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-20 22:22:07,336 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-20 22:22:07,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2024-11-20 22:22:07,336 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-20 22:22:07,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:22:07,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:22:07,337 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:22:07,337 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:22:07,337 INFO L745 eck$LassoCheckResult]: Stem: 851#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 833#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 826#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 827#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 838#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 846#L30-1 assume !(0 == base2flt_~m#1 % 4294967296); 844#L36-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 830#L58-5 [2024-11-20 22:22:07,337 INFO L747 eck$LassoCheckResult]: Loop: 830#L58-5 assume !false; 840#L59-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 829#L60-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 830#L58-5 [2024-11-20 22:22:07,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:07,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1807397409, now seen corresponding path program 1 times [2024-11-20 22:22:07,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:07,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185398259] [2024-11-20 22:22:07,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:07,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:07,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:07,352 INFO L85 PathProgramCache]: Analyzing trace with hash 161996, now seen corresponding path program 1 times [2024-11-20 22:22:07,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:07,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074845583] [2024-11-20 22:22:07,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:07,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:07,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:07,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1828646228, now seen corresponding path program 1 times [2024-11-20 22:22:07,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:07,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789234572] [2024-11-20 22:22:07,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:07,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:07,398 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:07,399 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:07,399 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:07,399 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:07,399 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:22:07,399 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,399 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:07,399 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:07,399 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2024-11-20 22:22:07,399 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:07,400 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:07,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,475 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:07,476 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:22:07,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,478 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) [2024-11-20 22:22:07,479 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 [2024-11-20 22:22:07,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:22:07,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:07,501 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 [2024-11-20 22:22:07,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,510 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) [2024-11-20 22:22:07,511 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 [2024-11-20 22:22:07,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:22:07,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:07,539 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:22:07,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-20 22:22:07,548 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:07,548 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:07,548 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:07,548 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:07,548 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:22:07,548 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,548 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:07,548 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:07,548 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration3_Loop [2024-11-20 22:22:07,548 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:07,548 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:07,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,615 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:07,616 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:22:07,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,623 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) [2024-11-20 22:22:07,625 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 [2024-11-20 22:22:07,626 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 [2024-11-20 22:22:07,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:22:07,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:22:07,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:22:07,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:22:07,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:22:07,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:22:07,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:22:07,642 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:22:07,644 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:22:07,644 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:22:07,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,646 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) [2024-11-20 22:22:07,649 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 [2024-11-20 22:22:07,649 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:22:07,649 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:22:07,650 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:22:07,650 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-20 22:22:07,656 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 [2024-11-20 22:22:07,657 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:22:07,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:07,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:22:07,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:07,729 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 [2024-11-20 22:22:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:07,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:22:07,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:07,737 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-20 22:22:07,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:22:07,742 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 [2024-11-20 22:22:07,743 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 46 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:07,772 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 46 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 82 transitions. Complement of second has 5 states. [2024-11-20 22:22:07,772 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 [2024-11-20 22:22:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2024-11-20 22:22:07,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-20 22:22:07,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:07,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-20 22:22:07,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:07,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-20 22:22:07,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:07,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 82 transitions. [2024-11-20 22:22:07,774 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2024-11-20 22:22:07,774 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 55 states and 73 transitions. [2024-11-20 22:22:07,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2024-11-20 22:22:07,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-20 22:22:07,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 73 transitions. [2024-11-20 22:22:07,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:22:07,775 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 73 transitions. [2024-11-20 22:22:07,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 73 transitions. [2024-11-20 22:22:07,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 37. [2024-11-20 22:22:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-20 22:22:07,778 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-20 22:22:07,778 INFO L425 stractBuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-20 22:22:07,779 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-20 22:22:07,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 50 transitions. [2024-11-20 22:22:07,779 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-20 22:22:07,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:22:07,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:22:07,779 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:22:07,779 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:22:07,780 INFO L745 eck$LassoCheckResult]: Stem: 999#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 979#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 971#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 972#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 982#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 994#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 975#L80-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 978#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 965#L30-2 assume !(0 == base2flt_~m#1 % 4294967296); 966#L36-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 983#L58-8 [2024-11-20 22:22:07,780 INFO L747 eck$LassoCheckResult]: Loop: 983#L58-8 assume !false; 996#L59-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 997#L60-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 % 4294967296 / 2; 983#L58-8 [2024-11-20 22:22:07,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:07,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1828899400, now seen corresponding path program 1 times [2024-11-20 22:22:07,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:07,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892299143] [2024-11-20 22:22:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:07,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:07,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:07,805 INFO L85 PathProgramCache]: Analyzing trace with hash 249380, now seen corresponding path program 1 times [2024-11-20 22:22:07,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:07,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302638729] [2024-11-20 22:22:07,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:07,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:07,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:07,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1213311245, now seen corresponding path program 1 times [2024-11-20 22:22:07,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:07,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284228189] [2024-11-20 22:22:07,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:07,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:07,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:07,861 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:07,861 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:07,861 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:07,861 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:07,861 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:22:07,861 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,861 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:07,861 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:07,861 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2024-11-20 22:22:07,861 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:07,861 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:07,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,931 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:07,931 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:22:07,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,933 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) [2024-11-20 22:22:07,935 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 [2024-11-20 22:22:07,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:22:07,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:07,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:07,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:07,954 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) [2024-11-20 22:22:07,956 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 [2024-11-20 22:22:07,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:22:07,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:07,978 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:22:07,982 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 [2024-11-20 22:22:07,983 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:07,983 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:07,983 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:07,983 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:07,983 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:22:07,983 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:07,983 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:07,983 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:07,983 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration4_Loop [2024-11-20 22:22:07,983 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:07,983 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:07,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:07,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:08,052 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:08,052 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:22:08,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:08,054 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) [2024-11-20 22:22:08,058 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 [2024-11-20 22:22:08,059 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 [2024-11-20 22:22:08,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:22:08,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:22:08,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:22:08,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:22:08,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:22:08,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:22:08,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:22:08,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:22:08,077 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:22:08,077 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:22:08,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:08,079 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) [2024-11-20 22:22:08,080 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 [2024-11-20 22:22:08,082 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:22:08,082 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:22:08,083 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:22:08,083 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2024-11-20 22:22:08,089 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 [2024-11-20 22:22:08,090 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:22:08,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:08,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:22:08,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:08,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:22:08,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:08,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:22:08,152 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 [2024-11-20 22:22:08,152 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 50 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:08,156 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 50 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 54 transitions. Complement of second has 4 states. [2024-11-20 22:22:08,157 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 [2024-11-20 22:22:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2024-11-20 22:22:08,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-20 22:22:08,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:08,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 13 letters. Loop has 3 letters. [2024-11-20 22:22:08,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:08,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 10 letters. Loop has 6 letters. [2024-11-20 22:22:08,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:08,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 54 transitions. [2024-11-20 22:22:08,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-20 22:22:08,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 34 states and 46 transitions. [2024-11-20 22:22:08,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-11-20 22:22:08,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-11-20 22:22:08,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 46 transitions. [2024-11-20 22:22:08,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:22:08,160 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-20 22:22:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 46 transitions. [2024-11-20 22:22:08,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-20 22:22:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2024-11-20 22:22:08,161 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-20 22:22:08,161 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2024-11-20 22:22:08,161 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-20 22:22:08,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2024-11-20 22:22:08,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-20 22:22:08,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:22:08,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:22:08,162 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:22:08,162 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:22:08,163 INFO L745 eck$LassoCheckResult]: Stem: 1130#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 1113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~ret22#1, main_#t~ret23#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add~0#1, main_~zero~0#1, main_~sa~0#1, main_~sb~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~tmp___1~0#1, main_~tmp___2~0#1, main_~tmp___3~0#1, main_~tmp___4~0#1, main_~tmp___5~0#1, main_~tmp___6~0#1, main_~tmp___7~0#1, main_~tmp___8~0#1, main_~tmp___9~0#1, main_~__retres23~0#1;havoc main_~a~0#1;havoc main_#t~nondet16#1;main_~ma~2#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;main_~ea~2#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_~b~0#1;havoc main_#t~nondet18#1;main_~mb~2#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;main_~eb~2#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~r_add~0#1;havoc main_~zero~0#1;havoc main_~sa~0#1;havoc main_~sb~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~tmp___1~0#1;havoc main_~tmp___2~0#1;havoc main_~tmp___3~0#1;havoc main_~tmp___4~0#1;havoc main_~tmp___5~0#1;havoc main_~tmp___6~0#1;havoc main_~tmp___7~0#1;havoc main_~tmp___8~0#1;havoc main_~tmp___9~0#1;havoc main_~__retres23~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1105#L30 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1106#L80 base2flt_#res#1 := base2flt_~__retres4~0#1; 1116#base2flt_returnLabel#1 main_#t~ret20#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1127#L30-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1109#L80-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1112#base2flt_returnLabel#2 main_#t~ret21#1 := base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;havoc base2flt_#in~m#1, base2flt_#in~e#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_#t~bitwise4#1, base2flt_#t~bitwise5#1, base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1099#L30-2 assume !(0 == base2flt_~m#1 % 4294967296); 1100#L36-2 assume base2flt_~m#1 % 4294967296 < 16777216; 1117#L48-5 [2024-11-20 22:22:08,163 INFO L747 eck$LassoCheckResult]: Loop: 1117#L48-5 assume !false; 1129#L39-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * (base2flt_~m#1 % 4294967296); 1128#L48-4 assume base2flt_~m#1 % 4294967296 < 16777216; 1117#L48-5 [2024-11-20 22:22:08,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:08,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1828899426, now seen corresponding path program 1 times [2024-11-20 22:22:08,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:08,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182503606] [2024-11-20 22:22:08,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:08,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:08,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:08,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:08,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:08,177 INFO L85 PathProgramCache]: Analyzing trace with hash 223621, now seen corresponding path program 1 times [2024-11-20 22:22:08,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:08,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283237277] [2024-11-20 22:22:08,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:08,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:08,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:08,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:08,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:08,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1212510920, now seen corresponding path program 1 times [2024-11-20 22:22:08,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:22:08,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756209565] [2024-11-20 22:22:08,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:22:08,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:22:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:08,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:22:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:22:08,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:22:08,222 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:08,222 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:08,222 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:08,222 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:08,222 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:22:08,222 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,223 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:08,223 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:08,223 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2024-11-20 22:22:08,223 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:08,223 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:08,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:08,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:08,308 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:08,308 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:22:08,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:08,311 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) [2024-11-20 22:22:08,312 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 [2024-11-20 22:22:08,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:22:08,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:08,332 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:22:08,332 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: [] [2024-11-20 22:22:08,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-20 22:22:08,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:08,339 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) [2024-11-20 22:22:08,342 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 [2024-11-20 22:22:08,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:22:08,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:08,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:08,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:08,370 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) [2024-11-20 22:22:08,372 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 [2024-11-20 22:22:08,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:22:08,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:22:08,400 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:22:08,408 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 [2024-11-20 22:22:08,409 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:22:08,409 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:22:08,409 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:22:08,409 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:22:08,409 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:22:08,409 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,409 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:22:08,409 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:22:08,409 INFO L132 ssoRankerPreferences]: Filename of dumped script: soft_float_1-2a.c.cil.c_Iteration5_Loop [2024-11-20 22:22:08,409 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:22:08,409 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:22:08,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:08,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:22:08,507 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:22:08,508 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:22:08,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:08,511 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) [2024-11-20 22:22:08,512 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 [2024-11-20 22:22:08,514 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 [2024-11-20 22:22:08,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:22:08,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:22:08,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:22:08,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:22:08,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:22:08,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:22:08,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:22:08,530 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:22:08,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:08,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:08,540 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) [2024-11-20 22:22:08,541 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 [2024-11-20 22:22:08,542 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 [2024-11-20 22:22:08,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:22:08,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:22:08,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:22:08,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:22:08,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:22:08,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:22:08,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:22:08,557 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:22:08,559 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-20 22:22:08,560 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:22:08,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:22:08,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:22:08,563 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) [2024-11-20 22:22:08,565 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 [2024-11-20 22:22:08,566 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:22:08,566 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:22:08,566 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:22:08,566 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2024-11-20 22:22:08,573 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 [2024-11-20 22:22:08,575 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:22:08,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:22:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:08,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:22:08,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:22:08,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 22:22:08,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:22:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:22:08,758 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 [2024-11-20 22:22:08,758 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 46 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:08,769 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 46 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 50 transitions. Complement of second has 4 states. [2024-11-20 22:22:08,769 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 [2024-11-20 22:22:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:22:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-11-20 22:22:08,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-20 22:22:08,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:08,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 13 letters. Loop has 3 letters. [2024-11-20 22:22:08,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:08,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 10 letters. Loop has 6 letters. [2024-11-20 22:22:08,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:22:08,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 50 transitions. [2024-11-20 22:22:08,771 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-20 22:22:08,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2024-11-20 22:22:08,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-20 22:22:08,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-20 22:22:08,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-20 22:22:08,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:22:08,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:22:08,771 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:22:08,771 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:22:08,771 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-20 22:22:08,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-20 22:22:08,771 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-20 22:22:08,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-20 22:22:08,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:22:08 BoogieIcfgContainer [2024-11-20 22:22:08,793 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:22:08,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:22:08,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:22:08,794 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:22:08,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:22:05" (3/4) ... [2024-11-20 22:22:08,796 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 22:22:08,802 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:22:08,802 INFO L158 Benchmark]: Toolchain (without parser) took 4065.81ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 103.7MB in the beginning and 136.1MB in the end (delta: -32.4MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-20 22:22:08,802 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:22:08,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.23ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 142.8MB in the end (delta: -39.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-20 22:22:08,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.51ms. Allocated memory is still 172.0MB. Free memory was 142.8MB in the beginning and 140.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 22:22:08,806 INFO L158 Benchmark]: Boogie Preprocessor took 39.70ms. Allocated memory is still 172.0MB. Free memory was 140.3MB in the beginning and 137.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:22:08,806 INFO L158 Benchmark]: RCFGBuilder took 544.63ms. Allocated memory is still 172.0MB. Free memory was 137.0MB in the beginning and 105.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-20 22:22:08,806 INFO L158 Benchmark]: BuchiAutomizer took 3129.30ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 105.5MB in the beginning and 137.1MB in the end (delta: -31.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-20 22:22:08,807 INFO L158 Benchmark]: Witness Printer took 8.18ms. Allocated memory is still 251.7MB. Free memory was 137.1MB in the beginning and 136.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:22:08,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.23ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 142.8MB in the end (delta: -39.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.51ms. Allocated memory is still 172.0MB. Free memory was 142.8MB in the beginning and 140.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.70ms. Allocated memory is still 172.0MB. Free memory was 140.3MB in the beginning and 137.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.63ms. Allocated memory is still 172.0MB. Free memory was 137.0MB in the beginning and 105.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3129.30ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 105.5MB in the beginning and 137.1MB in the end (delta: -31.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Witness Printer took 8.18ms. Allocated memory is still 251.7MB. Free memory was 137.1MB in the beginning and 136.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (1 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 4 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -2 * e) + 253) and consists of 3 locations. One deterministic module has affine ranking function (((long long) 2 * e) + 255) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 369 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 364 mSDsluCounter, 446 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 404 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div611 bol100 ite100 ukn100 eq131 hnf96 smp40 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-20 22:22:08,818 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 [2024-11-20 22:22:09,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-20 22:22:09,224 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