./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4a390ef5 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/termination-crafted/Lobnya-Boolean-Reordered-2.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 70e9192ed98be1c98a98d704655daf2c23fe89411c7a078d7ff71796ac189400 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:47:24,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:47:25,011 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-24 23:47:25,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:47:25,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:47:25,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:47:25,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:47:25,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:47:25,052 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:47:25,052 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:47:25,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:47:25,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:47:25,054 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:47:25,054 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-24 23:47:25,055 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-24 23:47:25,055 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-24 23:47:25,055 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-24 23:47:25,056 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-24 23:47:25,056 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-24 23:47:25,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:47:25,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-24 23:47:25,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:47:25,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:47:25,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-24 23:47:25,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-24 23:47:25,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-24 23:47:25,059 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:47:25,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:47:25,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:47:25,060 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-24 23:47:25,060 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:47:25,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:47:25,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:47:25,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:47:25,061 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:47:25,062 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-24 23:47:25,062 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70e9192ed98be1c98a98d704655daf2c23fe89411c7a078d7ff71796ac189400 [2024-10-24 23:47:25,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:47:25,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:47:25,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:47:25,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:47:25,321 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:47:25,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c [2024-10-24 23:47:26,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:47:26,948 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:47:26,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c [2024-10-24 23:47:26,959 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5abac2d48/171da7940526447990581173db13fef4/FLAGa04fbeb33 [2024-10-24 23:47:26,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5abac2d48/171da7940526447990581173db13fef4 [2024-10-24 23:47:26,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:47:26,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:47:26,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:47:26,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:47:26,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:47:26,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:47:26" (1/1) ... [2024-10-24 23:47:26,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d10737a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:26, skipping insertion in model container [2024-10-24 23:47:26,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:47:26" (1/1) ... [2024-10-24 23:47:27,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:47:27,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:47:27,264 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:47:27,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:47:27,292 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:47:27,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27 WrapperNode [2024-10-24 23:47:27,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:47:27,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:47:27,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:47:27,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:47:27,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,324 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-10-24 23:47:27,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:47:27,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:47:27,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:47:27,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:47:27,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,337 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,342 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 23:47:27,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:47:27,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:47:27,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:47:27,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:47:27,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (1/1) ... [2024-10-24 23:47:27,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:27,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:27,399 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) [2024-10-24 23:47:27,402 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 [2024-10-24 23:47:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:47:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:47:27,520 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:47:27,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:47:27,568 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-24 23:47:27,568 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:47:27,578 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:47:27,578 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 23:47:27,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:47:27 BoogieIcfgContainer [2024-10-24 23:47:27,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:47:27,579 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-24 23:47:27,579 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-24 23:47:27,583 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-24 23:47:27,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:47:27,584 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.10 11:47:26" (1/3) ... [2024-10-24 23:47:27,585 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44e64671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.10 11:47:27, skipping insertion in model container [2024-10-24 23:47:27,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:47:27,585 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:47:27" (2/3) ... [2024-10-24 23:47:27,585 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44e64671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.10 11:47:27, skipping insertion in model container [2024-10-24 23:47:27,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-24 23:47:27,586 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:47:27" (3/3) ... [2024-10-24 23:47:27,588 INFO L332 chiAutomizerObserver]: Analyzing ICFG Lobnya-Boolean-Reordered-2.c [2024-10-24 23:47:27,630 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-24 23:47:27,630 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-24 23:47:27,630 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-24 23:47:27,630 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-24 23:47:27,631 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-24 23:47:27,631 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-24 23:47:27,631 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-24 23:47:27,631 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-24 23:47:27,634 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) [2024-10-24 23:47:27,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:47:27,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:47:27,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:47:27,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-24 23:47:27,652 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-24 23:47:27,652 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-24 23:47:27,653 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) [2024-10-24 23:47:27,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:47:27,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:47:27,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:47:27,654 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-24 23:47:27,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-24 23:47:27,661 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~b~0#1;havoc main_~x~0#1;havoc main_~b~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L18true assume !!(main_~x~0#1 >= -2147483647); 9#L22-2true [2024-10-24 23:47:27,662 INFO L747 eck$LassoCheckResult]: Loop: 9#L22-2true assume !!(0 != main_~b~0#1);havoc main_#t~nondet2#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := main_~x~0#1 - 1; 5#L22true assume main_~x~0#1 >= 0;main_~b~0#1 := 1; 9#L22-2true [2024-10-24 23:47:27,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:47:27,667 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-24 23:47:27,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:47:27,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096517789] [2024-10-24 23:47:27,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:47:27,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:47:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:47:27,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:47:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:47:27,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:47:27,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:47:27,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2024-10-24 23:47:27,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:47:27,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923888876] [2024-10-24 23:47:27,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:47:27,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:47:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:47:27,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:47:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:47:27,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:47:27,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:47:27,828 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2024-10-24 23:47:27,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:47:27,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684858099] [2024-10-24 23:47:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:47:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:47:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:47:27,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:47:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:47:27,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:47:27,954 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:47:27,955 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:47:27,955 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:47:27,956 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:47:27,956 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-24 23:47:27,956 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:27,956 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:47:27,956 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:47:27,956 INFO L132 ssoRankerPreferences]: Filename of dumped script: Lobnya-Boolean-Reordered-2.c_Iteration1_Loop [2024-10-24 23:47:27,957 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:47:27,957 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:47:27,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:27,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:27,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:28,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:28,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:28,113 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:47:28,113 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-24 23:47:28,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,118 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) [2024-10-24 23:47:28,120 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 [2024-10-24 23:47:28,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:47:28,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:47:28,147 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:47:28,147 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: [] [2024-10-24 23:47:28,158 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 [2024-10-24 23:47:28,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,160 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) [2024-10-24 23:47:28,161 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 [2024-10-24 23:47:28,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:47:28,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:47:28,181 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:47:28,181 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: [] [2024-10-24 23:47:28,192 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 [2024-10-24 23:47:28,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,194 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) [2024-10-24 23:47:28,195 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 [2024-10-24 23:47:28,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:47:28,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:47:28,216 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:47:28,216 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0#1=1} Honda state: {ULTIMATE.start_main_~b~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-24 23:47:28,231 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 [2024-10-24 23:47:28,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,234 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) [2024-10-24 23:47:28,235 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 [2024-10-24 23:47:28,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:47:28,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:47:28,255 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-24 23:47:28,255 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-24 23:47:28,287 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 [2024-10-24 23:47:28,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,313 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) [2024-10-24 23:47:28,315 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 [2024-10-24 23:47:28,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-24 23:47:28,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:47:28,340 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 [2024-10-24 23:47:28,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,342 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) [2024-10-24 23:47:28,343 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 [2024-10-24 23:47:28,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-24 23:47:28,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-24 23:47:28,403 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-24 23:47:28,408 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 [2024-10-24 23:47:28,408 INFO L204 LassoAnalysis]: Preferences: [2024-10-24 23:47:28,409 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-24 23:47:28,409 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-24 23:47:28,409 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-24 23:47:28,409 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-24 23:47:28,409 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,409 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-24 23:47:28,409 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-24 23:47:28,409 INFO L132 ssoRankerPreferences]: Filename of dumped script: Lobnya-Boolean-Reordered-2.c_Iteration1_Loop [2024-10-24 23:47:28,409 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-24 23:47:28,409 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-24 23:47:28,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:28,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:28,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:28,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:28,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-24 23:47:28,507 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-24 23:47:28,511 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-24 23:47:28,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,514 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) [2024-10-24 23:47:28,516 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 [2024-10-24 23:47:28,517 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 [2024-10-24 23:47:28,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:47:28,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:47:28,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:47:28,529 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-24 23:47:28,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:47:28,532 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-24 23:47:28,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:47:28,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:47:28,549 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 [2024-10-24 23:47:28,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,551 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) [2024-10-24 23:47:28,552 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 [2024-10-24 23:47:28,552 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 [2024-10-24 23:47:28,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:47:28,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:47:28,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:47:28,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:47:28,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:47:28,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:47:28,571 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:47:28,583 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 [2024-10-24 23:47:28,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,585 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) [2024-10-24 23:47:28,586 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 [2024-10-24 23:47:28,587 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 [2024-10-24 23:47:28,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:47:28,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:47:28,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:47:28,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:47:28,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-24 23:47:28,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-24 23:47:28,608 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:47:28,621 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 [2024-10-24 23:47:28,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,623 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) [2024-10-24 23:47:28,624 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 [2024-10-24 23:47:28,625 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 [2024-10-24 23:47:28,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:47:28,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:47:28,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:47:28,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:47:28,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:47:28,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:47:28,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:47:28,638 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-24 23:47:28,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-24 23:47:28,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,650 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) [2024-10-24 23:47:28,651 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 [2024-10-24 23:47:28,652 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 [2024-10-24 23:47:28,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-24 23:47:28,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-24 23:47:28,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-24 23:47:28,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-24 23:47:28,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-24 23:47:28,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-24 23:47:28,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-24 23:47:28,665 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-24 23:47:28,669 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-24 23:47:28,669 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-24 23:47:28,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-24 23:47:28,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:47:28,682 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) [2024-10-24 23:47:28,688 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 [2024-10-24 23:47:28,688 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-24 23:47:28,688 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-24 23:47:28,688 INFO L474 LassoAnalysis]: Proved termination. [2024-10-24 23:47:28,689 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 [] [2024-10-24 23:47:28,704 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 [2024-10-24 23:47:28,708 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-24 23:47:28,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:47:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:47:28,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 23:47:28,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:47:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:47:28,774 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 23:47:28,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:47:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:47:28,850 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 [2024-10-24 23:47:28,852 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-24 23:47:28,908 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 27 states and 35 transitions. Complement of second has 8 states. [2024-10-24 23:47:28,910 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 [2024-10-24 23:47:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-24 23:47:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-10-24 23:47:28,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-24 23:47:28,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:47:28,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-24 23:47:28,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:47:28,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-24 23:47:28,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-24 23:47:28,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2024-10-24 23:47:28,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:47:28,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 10 states and 13 transitions. [2024-10-24 23:47:28,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-24 23:47:28,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-24 23:47:28,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2024-10-24 23:47:28,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-24 23:47:28,925 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-10-24 23:47:28,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2024-10-24 23:47:28,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-10-24 23:47:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) 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) [2024-10-24 23:47:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-10-24 23:47:28,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-10-24 23:47:28,944 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-10-24 23:47:28,944 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-24 23:47:28,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-10-24 23:47:28,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-24 23:47:28,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-24 23:47:28,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-24 23:47:28,945 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-24 23:47:28,945 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-24 23:47:28,945 INFO L745 eck$LassoCheckResult]: Stem: 85#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 86#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_#t~nondet2#1, main_~x~0#1, main_~b~0#1;havoc main_~x~0#1;havoc main_~b~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_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 83#L18 assume !!(main_~x~0#1 >= -2147483647); 84#L22-2 assume !!(0 != main_~b~0#1);havoc main_#t~nondet2#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := main_~x~0#1 - 1; 78#L22 [2024-10-24 23:47:28,945 INFO L747 eck$LassoCheckResult]: Loop: 78#L22 assume !(main_~x~0#1 >= 0);main_~b~0#1 := 0; 79#L22-2 assume !!(0 != main_~b~0#1);havoc main_#t~nondet2#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := main_~x~0#1 - 1; 78#L22 [2024-10-24 23:47:28,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:47:28,946 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2024-10-24 23:47:28,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:47:28,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041348771] [2024-10-24 23:47:28,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:47:28,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:47:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:47:28,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 23:47:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 23:47:28,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 23:47:28,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:47:28,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1628, now seen corresponding path program 1 times [2024-10-24 23:47:28,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:47:28,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327244921] [2024-10-24 23:47:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:47:28,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:47:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:47:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:47:28,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:47:28,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327244921] [2024-10-24 23:47:28,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327244921] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:47:28,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:47:28,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 23:47:28,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858461224] [2024-10-24 23:47:28,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:47:29,001 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-24 23:47:29,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:47:29,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:47:29,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:47:29,004 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2024-10-24 23:47:29,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:47:29,017 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-10-24 23:47:29,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-24 23:47:29,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-24 23:47:29,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2024-10-24 23:47:29,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-24 23:47:29,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-24 23:47:29,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-24 23:47:29,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-24 23:47:29,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:47:29,018 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:47:29,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:47:29,020 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 23:47:29,020 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-24 23:47:29,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-24 23:47:29,021 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-24 23:47:29,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-24 23:47:29,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.10 11:47:29 BoogieIcfgContainer [2024-10-24 23:47:29,030 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-24 23:47:29,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 23:47:29,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 23:47:29,031 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 23:47:29,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:47:27" (3/4) ... [2024-10-24 23:47:29,034 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 23:47:29,035 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 23:47:29,036 INFO L158 Benchmark]: Toolchain (without parser) took 2059.10ms. Allocated memory is still 161.5MB. Free memory was 96.5MB in the beginning and 54.5MB in the end (delta: 42.0MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-10-24 23:47:29,036 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 161.5MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:47:29,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.50ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 132.9MB in the end (delta: -36.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-24 23:47:29,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.44ms. Allocated memory is still 161.5MB. Free memory was 132.9MB in the beginning and 131.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:47:29,038 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 130.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:47:29,038 INFO L158 Benchmark]: RCFGBuilder took 227.15ms. Allocated memory is still 161.5MB. Free memory was 130.0MB in the beginning and 120.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-24 23:47:29,041 INFO L158 Benchmark]: BuchiAutomizer took 1451.18ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 55.3MB in the end (delta: 65.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-10-24 23:47:29,041 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 161.5MB. Free memory was 55.3MB in the beginning and 54.5MB in the end (delta: 847.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:47:29,043 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 161.5MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.50ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 132.9MB in the end (delta: -36.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.44ms. Allocated memory is still 161.5MB. Free memory was 132.9MB in the beginning and 131.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 130.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 227.15ms. Allocated memory is still 161.5MB. Free memory was 130.0MB in the beginning and 120.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1451.18ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 55.3MB in the end (delta: 65.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 161.5MB. Free memory was 55.3MB in the beginning and 54.5MB in the end (delta: 847.5kB). Peak memory consumption was 2.1MB. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 18 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax170 hnf100 lsp34 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf137 smp100 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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! [2024-10-24 23:47:29,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-24 23:47:29,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE