./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/gcd01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/recursive/gcd01-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ceea5216a7b51ee21eab36f0e9b129c25f18193871fb4ca0aa52ef8740fc0ce8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:59:48,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:59:48,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:59:48,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:59:48,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:59:48,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:59:48,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:59:48,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:59:48,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:59:48,264 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:59:48,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:59:48,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:59:48,265 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:59:48,265 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:59:48,265 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:59:48,266 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:59:48,266 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:59:48,269 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:59:48,269 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:59:48,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:59:48,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:59:48,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:59:48,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:59:48,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:59:48,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:59:48,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:59:48,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:59:48,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:59:48,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:59:48,273 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:59:48,273 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:59:48,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:59:48,273 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:59:48,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:59:48,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:59:48,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:59:48,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:59:48,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:59:48,274 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:59:48,274 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceea5216a7b51ee21eab36f0e9b129c25f18193871fb4ca0aa52ef8740fc0ce8 [2024-11-19 14:59:48,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:59:48,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:59:48,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:59:48,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:59:48,482 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:59:48,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/gcd01-1.c [2024-11-19 14:59:49,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:59:50,057 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:59:50,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/gcd01-1.c [2024-11-19 14:59:50,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/135460eee/60e7fd2d8723417484313e80119090ed/FLAG83a396f07 [2024-11-19 14:59:50,073 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/135460eee/60e7fd2d8723417484313e80119090ed [2024-11-19 14:59:50,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:59:50,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:59:50,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:59:50,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:59:50,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:59:50,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36999ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50, skipping insertion in model container [2024-11-19 14:59:50,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,098 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:59:50,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:59:50,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:59:50,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:59:50,257 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:59:50,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50 WrapperNode [2024-11-19 14:59:50,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:59:50,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:59:50,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:59:50,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:59:50,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,280 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2024-11-19 14:59:50,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:59:50,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:59:50,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:59:50,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:59:50,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,298 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 14:59:50,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:59:50,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:59:50,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:59:50,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:59:50,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (1/1) ... [2024-11-19 14:59:50,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:50,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:50,342 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 14:59:50,350 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 14:59:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:59:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure gcd [2024-11-19 14:59:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd [2024-11-19 14:59:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:59:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:59:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:59:50,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:59:50,442 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:59:50,592 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-19 14:59:50,593 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:59:50,608 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:59:50,610 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 14:59:50,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:50 BoogieIcfgContainer [2024-11-19 14:59:50,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:59:50,612 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:59:50,613 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:59:50,617 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:59:50,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:50,618 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:59:50" (1/3) ... [2024-11-19 14:59:50,619 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@736e4c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:59:50, skipping insertion in model container [2024-11-19 14:59:50,619 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:50,619 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:50" (2/3) ... [2024-11-19 14:59:50,619 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@736e4c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:59:50, skipping insertion in model container [2024-11-19 14:59:50,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:59:50,620 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:50" (3/3) ... [2024-11-19 14:59:50,622 INFO L332 chiAutomizerObserver]: Analyzing ICFG gcd01-1.c [2024-11-19 14:59:50,688 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:59:50,688 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:59:50,688 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:59:50,688 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:59:50,689 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:59:50,689 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:59:50,689 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:59:50,689 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:59:50,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 14:59:50,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-19 14:59:50,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:50,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:50,715 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-19 14:59:50,715 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-19 14:59:50,715 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:59:50,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 14:59:50,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-19 14:59:50,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:50,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:50,721 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-19 14:59:50,721 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-19 14:59:50,728 INFO L745 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 8#L32true assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 9#L36true assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 23#L39true call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);< 20#$Ultimate##0true [2024-11-19 14:59:50,730 INFO L747 eck$LassoCheckResult]: Loop: 20#$Ultimate##0true ~y1 := #in~y1;~y2 := #in~y2; 5#L18true assume !(~y1 <= 0 || ~y2 <= 0); 10#L21true assume !(~y1 == ~y2); 19#L24true assume !(~y1 > ~y2); 18#L27true call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 20#$Ultimate##0true [2024-11-19 14:59:50,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:50,736 INFO L85 PathProgramCache]: Analyzing trace with hash 45873353, now seen corresponding path program 1 times [2024-11-19 14:59:50,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:50,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594141347] [2024-11-19 14:59:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:50,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:50,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:50,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:50,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:50,884 INFO L85 PathProgramCache]: Analyzing trace with hash 28756484, now seen corresponding path program 1 times [2024-11-19 14:59:50,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:50,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792616387] [2024-11-19 14:59:50,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:50,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:50,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:50,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:50,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:50,896 INFO L85 PathProgramCache]: Analyzing trace with hash 50269756, now seen corresponding path program 1 times [2024-11-19 14:59:50,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:50,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043711709] [2024-11-19 14:59:50,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:50,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:50,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:50,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:51,077 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:59:51,078 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:59:51,078 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:59:51,078 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:59:51,078 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:59:51,078 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,078 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:59:51,079 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:59:51,079 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration1_Loop [2024-11-19 14:59:51,079 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:59:51,079 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:59:51,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,182 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:59:51,183 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:59:51,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:51,187 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 14:59:51,188 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 14:59:51,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:59:51,190 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:51,209 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:59:51,209 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:59:51,222 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 14:59:51,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:51,225 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 14:59:51,229 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 14:59:51,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:59:51,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:51,243 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:59:51,243 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:59:51,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:51,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:51,256 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 14:59:51,259 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 14:59:51,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:59:51,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:51,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-19 14:59:51,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:51,290 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 14:59:51,291 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 14:59:51,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:59:51,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:51,397 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:59:51,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:51,406 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:59:51,406 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:59:51,406 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:59:51,406 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:59:51,406 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:59:51,406 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,407 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:59:51,407 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:59:51,407 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration1_Loop [2024-11-19 14:59:51,407 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:59:51,407 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:59:51,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:51,511 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:59:51,515 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:59:51,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:51,518 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 14:59:51,519 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 14:59:51,522 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 14:59:51,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:51,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:51,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:51,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:51,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:51,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:51,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:51,537 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:59:51,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:51,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:51,555 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 14:59:51,556 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 14:59:51,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:59:51,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:51,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:51,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:51,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:51,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:51,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:51,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:51,573 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:59:51,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:51,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:51,594 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 14:59:51,595 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 14:59:51,596 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 14:59:51,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:51,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:51,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:51,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:51,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:51,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:51,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:51,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:59:51,614 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:59:51,614 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-19 14:59:51,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:51,641 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 14:59:51,642 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 14:59:51,643 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:59:51,643 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:59:51,643 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:59:51,644 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_#in~y2) = 1*gcd_#in~y2 Supporting invariants [] [2024-11-19 14:59:51,655 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 14:59:51,658 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:59:51,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:51,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:59:51,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:51,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 14:59:51,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:51,769 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 14:59:51,790 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 14:59:51,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:51,832 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 14:59:51,969 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 88 transitions. Complement of second has 20 states. [2024-11-19 14:59:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-19 14:59:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 23 transitions. [2024-11-19 14:59:51,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 5 letters. [2024-11-19 14:59:51,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:51,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 10 letters. Loop has 5 letters. [2024-11-19 14:59:51,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:51,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 10 letters. [2024-11-19 14:59:51,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:51,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 88 transitions. [2024-11-19 14:59:51,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:59:51,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 28 states and 32 transitions. [2024-11-19 14:59:51,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-19 14:59:51,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-19 14:59:51,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 32 transitions. [2024-11-19 14:59:51,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:59:51,990 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-19 14:59:52,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 32 transitions. [2024-11-19 14:59:52,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2024-11-19 14:59:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-11-19 14:59:52,009 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-19 14:59:52,009 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-19 14:59:52,009 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:59:52,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2024-11-19 14:59:52,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:59:52,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:52,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:52,010 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:59:52,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-19 14:59:52,010 INFO L745 eck$LassoCheckResult]: Stem: 170#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); 171#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 175#L32 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 176#L36 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 161#L39 call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);< 177#$Ultimate##0 ~y1 := #in~y1;~y2 := #in~y2; 166#L18 [2024-11-19 14:59:52,011 INFO L747 eck$LassoCheckResult]: Loop: 166#L18 assume !(~y1 <= 0 || ~y2 <= 0); 167#L21 assume !(~y1 == ~y2); 173#L24 assume ~y1 > ~y2; 160#L25 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 162#$Ultimate##0 ~y1 := #in~y1;~y2 := #in~y2; 166#L18 [2024-11-19 14:59:52,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:52,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1422073943, now seen corresponding path program 1 times [2024-11-19 14:59:52,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:52,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701962909] [2024-11-19 14:59:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:52,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:52,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:52,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:52,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:52,029 INFO L85 PathProgramCache]: Analyzing trace with hash 32573529, now seen corresponding path program 1 times [2024-11-19 14:59:52,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:52,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390422894] [2024-11-19 14:59:52,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:52,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:52,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:52,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:52,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:52,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1558359491, now seen corresponding path program 1 times [2024-11-19 14:59:52,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:52,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663753238] [2024-11-19 14:59:52,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:52,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:52,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:52,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:52,139 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:59:52,139 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:59:52,139 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:59:52,139 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:59:52,139 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:59:52,140 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,140 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:59:52,140 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:59:52,140 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration2_Loop [2024-11-19 14:59:52,140 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:59:52,140 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:59:52,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:52,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:52,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:52,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:52,198 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:59:52,198 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:59:52,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:52,200 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 14:59:52,201 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 14:59:52,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:59:52,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:52,214 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:59:52,214 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret4=0} Honda state: {gcd_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:59:52,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-19 14:59:52,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:52,232 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 14:59:52,234 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 14:59:52,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:59:52,236 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:52,254 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:59:52,254 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:59:52,271 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 [2024-11-19 14:59:52,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:52,274 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 14:59:52,275 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 14:59:52,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:59:52,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:52,287 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:59:52,288 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:59:52,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:52,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:52,310 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 14:59:52,314 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 14:59:52,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:59:52,315 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:52,363 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 [2024-11-19 14:59:52,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:52,364 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 14:59:52,366 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 14:59:52,367 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:59:52,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:52,825 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:59:52,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-19 14:59:52,831 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:59:52,831 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:59:52,831 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:59:52,831 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:59:52,832 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:59:52,832 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,832 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:59:52,832 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:59:52,832 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration2_Loop [2024-11-19 14:59:52,832 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:59:52,832 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:59:52,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:52,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:52,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:52,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:52,885 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:59:52,886 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:59:52,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:52,887 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 14:59:52,890 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 14:59:52,891 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 14:59:52,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:52,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:52,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:52,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:52,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:52,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:52,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:52,906 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:59:52,923 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 14:59:52,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:52,927 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 14:59:52,929 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 14:59:52,929 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 14:59:52,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:52,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:52,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:52,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:52,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:52,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:52,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:52,942 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:59:52,955 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 14:59:52,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:52,957 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 14:59:52,959 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 14:59:52,960 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 14:59:52,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:52,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:52,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:52,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:52,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:52,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:52,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:52,973 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:59:52,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:52,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:52,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:52,985 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:59:52,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-19 14:59:52,987 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 14:59:52,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:52,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:52,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:52,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:52,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:53,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:53,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:53,009 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:59:53,014 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:59:53,014 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-19 14:59:53,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:53,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:53,019 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:59:53,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-19 14:59:53,022 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:59:53,022 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:59:53,022 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:59:53,022 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_~y1) = 1*gcd_~y1 Supporting invariants [] [2024-11-19 14:59:53,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:53,045 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:59:53,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:53,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:59:53,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:53,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 14:59:53,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:53,140 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 14:59:53,141 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-19 14:59:53,141 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:53,173 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 61 transitions. Complement of second has 15 states. [2024-11-19 14:59:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-19 14:59:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-19 14:59:53,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 5 letters. [2024-11-19 14:59:53,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:53,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-19 14:59:53,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:53,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 10 letters. [2024-11-19 14:59:53,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:53,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2024-11-19 14:59:53,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:59:53,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 33 states and 37 transitions. [2024-11-19 14:59:53,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-19 14:59:53,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-19 14:59:53,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 37 transitions. [2024-11-19 14:59:53,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:59:53,178 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 37 transitions. [2024-11-19 14:59:53,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 37 transitions. [2024-11-19 14:59:53,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2024-11-19 14:59:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-19 14:59:53,181 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-19 14:59:53,181 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-19 14:59:53,181 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:59:53,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 28 transitions. [2024-11-19 14:59:53,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-19 14:59:53,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:59:53,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:59:53,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:59:53,182 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-19 14:59:53,182 INFO L745 eck$LassoCheckResult]: Stem: 311#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); 312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 316#L32 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 317#L36 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 307#L39 call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);< 318#$Ultimate##0 ~y1 := #in~y1;~y2 := #in~y2; 306#L18 assume !(~y1 <= 0 || ~y2 <= 0); 308#L21 assume !(~y1 == ~y2); 321#L24 assume !(~y1 > ~y2); 300#L27 call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 313#$Ultimate##0 ~y1 := #in~y1;~y2 := #in~y2; 304#L18 [2024-11-19 14:59:53,182 INFO L747 eck$LassoCheckResult]: Loop: 304#L18 assume !(~y1 <= 0 || ~y2 <= 0); 305#L21 assume !(~y1 == ~y2); 314#L24 assume ~y1 > ~y2; 299#L25 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 301#$Ultimate##0 ~y1 := #in~y1;~y2 := #in~y2; 304#L18 [2024-11-19 14:59:53,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:53,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1558362436, now seen corresponding path program 2 times [2024-11-19 14:59:53,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:53,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080379672] [2024-11-19 14:59:53,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:59:53,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:53,193 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:59:53,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:53,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:53,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:53,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:53,202 INFO L85 PathProgramCache]: Analyzing trace with hash 32573529, now seen corresponding path program 2 times [2024-11-19 14:59:53,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:53,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915670993] [2024-11-19 14:59:53,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:59:53,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:53,207 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:59:53,207 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:59:53,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:53,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:53,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:53,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2060541706, now seen corresponding path program 1 times [2024-11-19 14:59:53,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:59:53,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139788898] [2024-11-19 14:59:53,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:59:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:59:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:53,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:59:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:59:53,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:59:53,302 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:59:53,302 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:59:53,302 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:59:53,302 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:59:53,302 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:59:53,303 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:53,303 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:59:53,303 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:59:53,303 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration3_Loop [2024-11-19 14:59:53,303 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:59:53,303 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:59:53,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:53,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:53,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:53,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:53,354 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:59:53,355 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:59:53,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:53,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:53,357 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:59:53,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-19 14:59:53,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:59:53,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:53,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-19 14:59:53,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:53,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:53,397 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:59:53,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-19 14:59:53,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:59:53,402 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:59:53,838 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:59:53,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:53,844 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:59:53,844 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:59:53,844 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:59:53,844 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:59:53,844 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:59:53,844 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:53,844 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:59:53,845 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:59:53,845 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration3_Loop [2024-11-19 14:59:53,845 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:59:53,845 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:59:53,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:53,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:53,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:53,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:59:53,902 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:59:53,902 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:59:53,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:53,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:53,905 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:59:53,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-19 14:59:53,907 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 14:59:53,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:53,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:53,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:53,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:53,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:53,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:53,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:53,920 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:59:53,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:53,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:53,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:53,933 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:59:53,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-19 14:59:53,935 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 14:59:53,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:53,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:53,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:53,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:53,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:53,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:53,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:53,947 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:59:53,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-19 14:59:53,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:53,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:53,959 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:59:53,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-19 14:59:53,960 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 14:59:53,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:59:53,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:59:53,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:59:53,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:59:53,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:59:53,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:59:53,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:59:53,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:59:53,979 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-19 14:59:53,979 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-19 14:59:53,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:59:53,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:59:53,981 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:59:53,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-19 14:59:53,982 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:59:53,982 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:59:53,983 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:59:53,983 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_~y1) = 1*gcd_~y1 Supporting invariants [] [2024-11-19 14:59:53,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-19 14:59:53,995 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:59:54,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:54,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:59:54,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:54,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 14:59:54,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:54,085 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 14:59:54,086 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-19 14:59:54,086 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:54,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 51 transitions. Complement of second has 15 states. [2024-11-19 14:59:54,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-19 14:59:54,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:54,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-19 14:59:54,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-19 14:59:54,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:54,116 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:59:54,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:54,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:59:54,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:54,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 14:59:54,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:54,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-19 14:59:54,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-19 14:59:54,281 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 14:59:54,282 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-19 14:59:54,282 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:54,322 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 51 transitions. Complement of second has 15 states. [2024-11-19 14:59:54,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-19 14:59:54,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-19 14:59:54,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-19 14:59:54,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:54,324 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:59:54,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:59:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:54,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:59:54,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:59:54,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 14:59:54,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:59:54,405 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 14:59:54,405 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-19 14:59:54,405 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:54,437 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 86 transitions. Complement of second has 17 states. [2024-11-19 14:59:54,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-19 14:59:54,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:59:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-19 14:59:54,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-19 14:59:54,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:54,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 16 letters. Loop has 5 letters. [2024-11-19 14:59:54,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:54,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 10 letters. [2024-11-19 14:59:54,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:59:54,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 86 transitions. [2024-11-19 14:59:54,440 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:59:54,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 0 states and 0 transitions. [2024-11-19 14:59:54,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:59:54,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:59:54,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:59:54,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:59:54,440 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:59:54,440 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:59:54,441 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:59:54,441 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:59:54,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:59:54,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:59:54,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:59:54,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:59:54 BoogieIcfgContainer [2024-11-19 14:59:54,449 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:59:54,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:59:54,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:59:54,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:59:54,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:50" (3/4) ... [2024-11-19 14:59:54,453 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:59:54,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:59:54,455 INFO L158 Benchmark]: Toolchain (without parser) took 4378.61ms. Allocated memory was 146.8MB in the beginning and 241.2MB in the end (delta: 94.4MB). Free memory was 76.2MB in the beginning and 187.1MB in the end (delta: -110.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:59:54,455 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:59:54,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.31ms. Allocated memory is still 146.8MB. Free memory was 75.8MB in the beginning and 64.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:59:54,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.23ms. Allocated memory is still 146.8MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:54,456 INFO L158 Benchmark]: Boogie Preprocessor took 23.27ms. Allocated memory is still 146.8MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:59:54,459 INFO L158 Benchmark]: RCFGBuilder took 305.12ms. Allocated memory is still 146.8MB. Free memory was 60.8MB in the beginning and 49.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:59:54,460 INFO L158 Benchmark]: BuchiAutomizer took 3837.19ms. Allocated memory was 146.8MB in the beginning and 241.2MB in the end (delta: 94.4MB). Free memory was 49.9MB in the beginning and 188.2MB in the end (delta: -138.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:59:54,460 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 241.2MB. Free memory was 188.2MB in the beginning and 187.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:59:54,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.31ms. Allocated memory is still 146.8MB. Free memory was 75.8MB in the beginning and 64.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.23ms. Allocated memory is still 146.8MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.27ms. Allocated memory is still 146.8MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.12ms. Allocated memory is still 146.8MB. Free memory was 60.8MB in the beginning and 49.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3837.19ms. Allocated memory was 146.8MB in the beginning and 241.2MB in the end (delta: 94.4MB). Free memory was 49.9MB in the beginning and 188.2MB in the end (delta: -138.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 241.2MB. Free memory was 188.2MB in the beginning and 187.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function \old(y2) and consists of 6 locations. One deterministic module has affine ranking function y1 and consists of 5 locations. One nondeterministic module has affine ranking function y1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 18 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 55 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf91 smp91 dnf100 smp100 tf106 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s 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 14:59:54,488 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