./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/b.10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:16:24,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:16:24,474 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-19 14:16:24,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:16:24,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:16:24,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:16:24,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:16:24,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:16:24,517 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:16:24,518 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:16:24,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:16:24,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:16:24,519 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:16:24,520 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:16:24,521 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:16:24,521 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:16:24,521 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:16:24,525 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:16:24,525 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:16:24,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:16:24,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:16:24,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:16:24,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:16:24,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:16:24,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:16:24,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:16:24,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:16:24,529 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:16:24,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:16:24,529 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:16:24,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:16:24,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:16:24,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:16:24,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:16:24,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:16:24,531 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:16:24,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 [2024-11-19 14:16:24,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:16:24,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:16:24,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:16:24,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:16:24,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:16:24,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.10.c [2024-11-19 14:16:26,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:16:26,370 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:16:26,371 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.10.c [2024-11-19 14:16:26,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845c1591e/03f8408291574f4fae9682e0c84a4277/FLAGe99b29c29 [2024-11-19 14:16:26,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845c1591e/03f8408291574f4fae9682e0c84a4277 [2024-11-19 14:16:26,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:16:26,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:16:26,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:16:26,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:16:26,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:16:26,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28856b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26, skipping insertion in model container [2024-11-19 14:16:26,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:16:26,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:16:26,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:16:26,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:16:26,634 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:16:26,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26 WrapperNode [2024-11-19 14:16:26,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:16:26,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:16:26,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:16:26,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:16:26,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,682 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-11-19 14:16:26,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:16:26,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:16:26,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:16:26,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:16:26,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,702 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,709 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 14:16:26,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:16:26,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:16:26,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:16:26,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:16:26,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (1/1) ... [2024-11-19 14:16:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:26,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:26,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-19 14:16:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:16:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:16:26,896 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:16:26,899 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:16:26,980 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-19 14:16:26,983 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:16:27,002 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:16:27,003 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:16:27,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:16:27 BoogieIcfgContainer [2024-11-19 14:16:27,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:16:27,008 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:16:27,008 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:16:27,012 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:16:27,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:16:27,014 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:16:26" (1/3) ... [2024-11-19 14:16:27,015 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54c0a7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:16:27, skipping insertion in model container [2024-11-19 14:16:27,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:16:27,016 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:26" (2/3) ... [2024-11-19 14:16:27,017 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54c0a7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:16:27, skipping insertion in model container [2024-11-19 14:16:27,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:16:27,017 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:16:27" (3/3) ... [2024-11-19 14:16:27,018 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.10.c [2024-11-19 14:16:27,077 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:16:27,077 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:16:27,078 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:16:27,078 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:16:27,078 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:16:27,078 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:16:27,079 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:16:27,079 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:16:27,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:27,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:27,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:27,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:27,106 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:16:27,107 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:16:27,107 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:16:27,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:27,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:27,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:27,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:27,110 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:16:27,110 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:16:27,120 INFO L745 eck$LassoCheckResult]: Stem: 4#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 8#L15-2true [2024-11-19 14:16:27,121 INFO L747 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 9#L12true assume main_~x~0#1 > 0;main_~x~0#1 := main_~x~0#1 - 1; 8#L15-2true [2024-11-19 14:16:27,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:27,127 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:16:27,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:27,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613158346] [2024-11-19 14:16:27,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:27,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:27,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:27,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:27,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2024-11-19 14:16:27,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:27,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764789230] [2024-11-19 14:16:27,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:27,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:27,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:27,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:27,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:27,277 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-11-19 14:16:27,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:27,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059746344] [2024-11-19 14:16:27,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:27,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:27,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:27,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:27,430 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:27,431 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:27,431 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:27,432 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:27,432 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:16:27,433 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,433 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:27,433 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:27,433 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration1_Loop [2024-11-19 14:16:27,433 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:27,434 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:27,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:27,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:27,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:27,558 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:27,559 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:16:27,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:27,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:27,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-19 14:16:27,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:27,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:27,589 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:27,589 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:16:27,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-19 14:16:27,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:27,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:27,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-19 14:16:27,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:27,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:27,628 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:27,628 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:16:27,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-19 14:16:27,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:27,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:27,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-19 14:16:27,649 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:27,649 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:27,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:27,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:27,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:27,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-19 14:16:27,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:16:27,679 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:27,704 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:16:27,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-19 14:16:27,709 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:27,709 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:27,709 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:27,710 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:27,710 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:16:27,710 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,710 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:27,710 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:27,710 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration1_Loop [2024-11-19 14:16:27,710 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:27,710 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:27,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:27,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:27,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:27,790 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:27,794 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:16:27,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:27,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:27,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-19 14:16:27,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:27,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:27,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:27,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:27,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:27,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:27,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:27,832 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:27,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-19 14:16:27,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:27,852 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:27,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-19 14:16:27,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:27,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:27,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:27,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:27,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:27,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:27,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:27,876 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:27,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-19 14:16:27,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:27,892 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:27,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-19 14:16:27,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:27,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:27,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:16:27,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:27,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:27,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:27,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:16:27,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:16:27,911 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:16:27,916 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:16:27,916 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-19 14:16:27,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:27,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:27,973 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:27,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-19 14:16:27,976 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:16:27,977 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:16:27,977 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:16:27,977 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-19 14:16:27,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-19 14:16:27,992 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:16:28,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:28,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:16:28,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:28,040 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:16:28,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:16:28,073 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-19 14:16:28,075 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:28,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 29 transitions. Complement of second has 6 states. [2024-11-19 14:16:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:16:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-19 14:16:28,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-19 14:16:28,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:28,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-19 14:16:28,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:28,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-19 14:16:28,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:28,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. [2024-11-19 14:16:28,117 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:28,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 11 states and 16 transitions. [2024-11-19 14:16:28,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-19 14:16:28,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-19 14:16:28,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2024-11-19 14:16:28,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:16:28,121 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2024-11-19 14:16:28,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2024-11-19 14:16:28,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-19 14:16:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2024-11-19 14:16:28,178 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2024-11-19 14:16:28,178 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2024-11-19 14:16:28,178 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:16:28,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2024-11-19 14:16:28,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:28,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:28,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:28,179 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-19 14:16:28,179 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:16:28,180 INFO L745 eck$LassoCheckResult]: Stem: 64#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 65#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 70#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 71#L12 [2024-11-19 14:16:28,180 INFO L747 eck$LassoCheckResult]: Loop: 71#L12 assume !(main_~x~0#1 > 0); 66#L15 assume main_~y~0#1 > 0;main_~y~0#1 := main_~y~0#1 - 1; 67#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 71#L12 [2024-11-19 14:16:28,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:28,184 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-19 14:16:28,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:28,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171288174] [2024-11-19 14:16:28,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:28,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:28,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-19 14:16:28,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:28,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:28,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:28,225 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2024-11-19 14:16:28,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:28,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313925975] [2024-11-19 14:16:28,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:28,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:28,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:28,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:28,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:28,271 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2024-11-19 14:16:28,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:28,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723827445] [2024-11-19 14:16:28,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:28,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:28,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:28,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:28,351 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:28,351 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:28,352 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:28,352 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:28,352 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:16:28,352 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,352 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:28,352 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:28,352 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration2_Loop [2024-11-19 14:16:28,352 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:28,352 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:28,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:28,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:28,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:28,448 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:28,448 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:16:28,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:28,450 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:28,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-19 14:16:28,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:28,458 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:28,483 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:28,484 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:16:28,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:28,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:28,502 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:28,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-19 14:16:28,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:28,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:28,534 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:28,534 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:16:28,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-19 14:16:28,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:28,553 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:28,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-19 14:16:28,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:28,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:28,587 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 [2024-11-19 14:16:28,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:28,609 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:28,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-19 14:16:28,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:16:28,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:28,643 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:16:28,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-19 14:16:28,649 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:28,649 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:28,649 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:28,649 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:28,649 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:16:28,649 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,649 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:28,649 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:28,649 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration2_Loop [2024-11-19 14:16:28,649 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:28,649 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:28,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:28,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:28,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:28,754 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:28,754 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:16:28,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:28,756 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:28,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-19 14:16:28,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:28,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:28,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:28,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:28,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:28,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:28,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:28,777 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:28,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:28,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:28,793 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:28,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-19 14:16:28,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:28,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:28,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:28,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:28,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:28,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:28,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:28,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:28,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-19 14:16:28,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:28,827 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:28,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-19 14:16:28,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:28,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:28,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:16:28,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:28,839 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:16:28,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:28,841 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-19 14:16:28,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:16:28,845 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:16:28,851 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-19 14:16:28,851 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-19 14:16:28,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:28,853 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:28,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-19 14:16:28,856 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:16:28,856 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:16:28,856 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:16:28,856 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-19 14:16:28,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:28,870 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:16:28,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:28,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:16:28,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:28,903 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:16:28,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:16:28,963 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-19 14:16:28,963 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:28,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 54 transitions. Complement of second has 7 states. [2024-11-19 14:16:28,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-19 14:16:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-19 14:16:29,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-19 14:16:29,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:29,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-19 14:16:29,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:29,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-19 14:16:29,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:29,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 54 transitions. [2024-11-19 14:16:29,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:29,006 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 25 states and 36 transitions. [2024-11-19 14:16:29,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-19 14:16:29,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-19 14:16:29,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 36 transitions. [2024-11-19 14:16:29,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:16:29,008 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2024-11-19 14:16:29,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 36 transitions. [2024-11-19 14:16:29,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2024-11-19 14:16:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:29,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2024-11-19 14:16:29,011 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-11-19 14:16:29,011 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-11-19 14:16:29,011 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:16:29,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2024-11-19 14:16:29,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:29,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:29,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:29,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-19 14:16:29,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:16:29,013 INFO L745 eck$LassoCheckResult]: Stem: 157#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 159#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 167#L12 assume !(main_~x~0#1 > 0); 152#L15 [2024-11-19 14:16:29,013 INFO L747 eck$LassoCheckResult]: Loop: 152#L15 assume !(main_~y~0#1 > 0); 153#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 160#L12 assume !(main_~x~0#1 > 0); 152#L15 [2024-11-19 14:16:29,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:29,014 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-19 14:16:29,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:29,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167555414] [2024-11-19 14:16:29,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:29,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:29,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:29,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:29,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:29,025 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2024-11-19 14:16:29,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:29,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122204414] [2024-11-19 14:16:29,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:29,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:16:29,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:16:29,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122204414] [2024-11-19 14:16:29,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122204414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:16:29,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:16:29,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:16:29,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055038587] [2024-11-19 14:16:29,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:16:29,073 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:16:29,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:16:29,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:16:29,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:16:29,077 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:29,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:16:29,097 INFO L93 Difference]: Finished difference Result 23 states and 31 transitions. [2024-11-19 14:16:29,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 31 transitions. [2024-11-19 14:16:29,097 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:16:29,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2024-11-19 14:16:29,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:16:29,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:16:29,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:16:29,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:16:29,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:16:29,098 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:16:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:16:29,099 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:16:29,099 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:16:29,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:16:29,099 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:16:29,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:16:29,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:16:29 BoogieIcfgContainer [2024-11-19 14:16:29,106 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:16:29,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:16:29,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:16:29,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:16:29,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:16:27" (3/4) ... [2024-11-19 14:16:29,113 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:16:29,114 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:16:29,119 INFO L158 Benchmark]: Toolchain (without parser) took 2722.84ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 67.4MB in the beginning and 103.9MB in the end (delta: -36.5MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-19 14:16:29,119 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 101.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:29,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.37ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 67.2MB in the beginning and 156.1MB in the end (delta: -88.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-19 14:16:29,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.87ms. Allocated memory is still 184.5MB. Free memory was 156.1MB in the beginning and 154.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:29,121 INFO L158 Benchmark]: Boogie Preprocessor took 38.81ms. Allocated memory is still 184.5MB. Free memory was 154.7MB in the beginning and 155.0MB in the end (delta: -296.0kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-19 14:16:29,121 INFO L158 Benchmark]: RCFGBuilder took 284.02ms. Allocated memory is still 184.5MB. Free memory was 155.0MB in the beginning and 145.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 14:16:29,121 INFO L158 Benchmark]: BuchiAutomizer took 2098.20ms. Allocated memory is still 184.5MB. Free memory was 144.5MB in the beginning and 103.9MB in the end (delta: 40.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-19 14:16:29,122 INFO L158 Benchmark]: Witness Printer took 7.99ms. Allocated memory is still 184.5MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:29,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 101.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.37ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 67.2MB in the beginning and 156.1MB in the end (delta: -88.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.87ms. Allocated memory is still 184.5MB. Free memory was 156.1MB in the beginning and 154.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.81ms. Allocated memory is still 184.5MB. Free memory was 154.7MB in the beginning and 155.0MB in the end (delta: -296.0kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 284.02ms. Allocated memory is still 184.5MB. Free memory was 155.0MB in the beginning and 145.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2098.20ms. Allocated memory is still 184.5MB. Free memory was 144.5MB in the beginning and 103.9MB in the end (delta: 40.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Witness Printer took 7.99ms. Allocated memory is still 184.5MB. Free memory is still 103.9MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq127 hnf96 smp100 dnf132 smp96 tf106 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-19 14:16:29,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-19 14:16:29,357 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