./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/LogAG.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/LogAG.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:03:38,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:03:38,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-17 08:03:38,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:03:38,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:03:38,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:03:38,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:03:38,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:03:38,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:03:38,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:03:38,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:03:38,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:03:38,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:03:38,656 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:03:38,656 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:03:38,657 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:03:38,657 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:03:38,657 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:03:38,658 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:03:38,658 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:03:38,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:03:38,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:03:38,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:03:38,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:03:38,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:03:38,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:03:38,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:03:38,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:03:38,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:03:38,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:03:38,664 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:03:38,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:03:38,665 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:03:38,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:03:38,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:03:38,665 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:03:38,666 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:03:38,666 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f [2024-11-17 08:03:38,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:03:38,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:03:38,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:03:38,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:03:38,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:03:38,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/LogAG.c [2024-11-17 08:03:40,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:03:40,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:03:40,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/LogAG.c [2024-11-17 08:03:40,629 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6947008/10718a2062b44023b52301f150c3b559/FLAGda543b808 [2024-11-17 08:03:41,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6947008/10718a2062b44023b52301f150c3b559 [2024-11-17 08:03:41,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:03:41,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:03:41,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:03:41,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:03:41,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:03:41,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178d3b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41, skipping insertion in model container [2024-11-17 08:03:41,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:03:41,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:03:41,233 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:03:41,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:03:41,264 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:03:41,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41 WrapperNode [2024-11-17 08:03:41,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:03:41,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:03:41,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:03:41,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:03:41,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,291 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-17 08:03:41,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:03:41,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:03:41,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:03:41,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:03:41,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,310 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 08:03:41,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,312 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:03:41,316 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:03:41,316 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:03:41,316 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:03:41,317 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (1/1) ... [2024-11-17 08:03:41,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:41,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:41,350 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) [2024-11-17 08:03:41,352 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 [2024-11-17 08:03:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:03:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:03:41,466 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:03:41,468 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:03:41,523 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-17 08:03:41,524 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:03:41,534 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:03:41,534 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:03:41,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:03:41 BoogieIcfgContainer [2024-11-17 08:03:41,535 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:03:41,538 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:03:41,538 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:03:41,542 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:03:41,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:03:41,544 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:03:41" (1/3) ... [2024-11-17 08:03:41,547 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@406ca1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:03:41, skipping insertion in model container [2024-11-17 08:03:41,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:03:41,548 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:03:41" (2/3) ... [2024-11-17 08:03:41,548 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@406ca1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:03:41, skipping insertion in model container [2024-11-17 08:03:41,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:03:41,548 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:03:41" (3/3) ... [2024-11-17 08:03:41,550 INFO L332 chiAutomizerObserver]: Analyzing ICFG LogAG.c [2024-11-17 08:03:41,597 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:03:41,597 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:03:41,597 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:03:41,598 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:03:41,598 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:03:41,598 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:03:41,598 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:03:41,599 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:03:41,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:41,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:03:41,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:03:41,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:03:41,625 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:03:41,625 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:03:41,625 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:03:41,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:41,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:03:41,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:03:41,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:03:41,627 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:03:41,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:03:41,632 INFO L745 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~xtmp~0#1, main_~res~0#1, main_~restmp~0#1;havoc main_~x~0#1;havoc main_~xtmp~0#1;havoc main_~res~0#1;havoc main_~restmp~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~res~0#1 := 0; 7#L13true [2024-11-17 08:03:41,632 INFO L747 eck$LassoCheckResult]: Loop: 7#L13true assume true; 3#L13-1true assume !!(main_~x~0#1 > 1);main_~xtmp~0#1 := main_~x~0#1 - 2;main_~restmp~0#1 := 0; 4#L17true assume !true; 5#L22true main_~x~0#1 := 1 + main_~xtmp~0#1;main_~res~0#1 := 1 + main_~res~0#1; 7#L13true [2024-11-17 08:03:41,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:41,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 1 times [2024-11-17 08:03:41,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:41,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68279133] [2024-11-17 08:03:41,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:41,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:41,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:03:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:41,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:03:41,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:41,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1353370, now seen corresponding path program 1 times [2024-11-17 08:03:41,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:41,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754451370] [2024-11-17 08:03:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:41,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:03:41,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:03:41,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754451370] [2024-11-17 08:03:41,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754451370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:03:41,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:03:41,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:03:41,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109296637] [2024-11-17 08:03:41,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:03:41,793 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:03:41,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:03:41,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 08:03:41,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 08:03:41,831 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:41,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:03:41,835 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2024-11-17 08:03:41,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2024-11-17 08:03:41,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:03:41,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2024-11-17 08:03:41,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-17 08:03:41,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-17 08:03:41,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2024-11-17 08:03:41,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:03:41,840 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-17 08:03:41,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2024-11-17 08:03:41,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-17 08:03:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-11-17 08:03:41,861 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-17 08:03:41,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 08:03:41,866 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-17 08:03:41,866 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:03:41,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-11-17 08:03:41,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:03:41,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:03:41,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:03:41,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:03:41,868 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-17 08:03:41,868 INFO L745 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 36#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~xtmp~0#1, main_~res~0#1, main_~restmp~0#1;havoc main_~x~0#1;havoc main_~xtmp~0#1;havoc main_~res~0#1;havoc main_~restmp~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~res~0#1 := 0; 34#L13 [2024-11-17 08:03:41,868 INFO L747 eck$LassoCheckResult]: Loop: 34#L13 assume true; 30#L13-1 assume !!(main_~x~0#1 > 1);main_~xtmp~0#1 := main_~x~0#1 - 2;main_~restmp~0#1 := 0; 31#L17 assume true; 32#L17-1 assume !(main_~xtmp~0#1 > 1); 33#L22 main_~x~0#1 := 1 + main_~xtmp~0#1;main_~res~0#1 := 1 + main_~res~0#1; 34#L13 [2024-11-17 08:03:41,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:41,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 2 times [2024-11-17 08:03:41,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:41,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172938227] [2024-11-17 08:03:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:41,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:41,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:03:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:41,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:03:41,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:41,878 INFO L85 PathProgramCache]: Analyzing trace with hash 41953574, now seen corresponding path program 1 times [2024-11-17 08:03:41,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:41,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684620552] [2024-11-17 08:03:41,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:41,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:41,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:03:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:41,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:03:41,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash 121894567, now seen corresponding path program 1 times [2024-11-17 08:03:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:41,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88610625] [2024-11-17 08:03:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:41,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:41,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:03:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:41,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:03:42,027 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:03:42,027 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:03:42,028 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:03:42,028 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:03:42,028 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:03:42,028 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,028 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:03:42,029 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:03:42,029 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2024-11-17 08:03:42,029 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:03:42,029 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:03:42,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,150 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:03:42,150 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:03:42,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:42,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:03:42,157 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 [2024-11-17 08:03:42,158 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:03:42,158 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:42,192 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 [2024-11-17 08:03:42,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:42,197 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) [2024-11-17 08:03:42,213 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 [2024-11-17 08:03:42,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:03:42,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:42,238 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:03:42,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-17 08:03:42,254 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:03:42,254 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:03:42,254 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:03:42,254 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:03:42,255 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:03:42,255 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,255 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:03:42,255 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:03:42,255 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2024-11-17 08:03:42,256 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:03:42,256 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:03:42,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,389 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:03:42,394 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:03:42,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:42,403 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) [2024-11-17 08:03:42,405 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 [2024-11-17 08:03:42,406 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 [2024-11-17 08:03:42,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:03:42,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:03:42,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:03:42,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:03:42,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:03:42,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:03:42,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:03:42,427 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:03:42,434 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:03:42,434 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-17 08:03:42,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:42,523 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) [2024-11-17 08:03:42,525 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 [2024-11-17 08:03:42,526 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:03:42,526 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:03:42,527 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:03:42,527 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-17 08:03:42,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-17 08:03:42,542 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:03:42,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:42,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:03:42,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:42,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 08:03:42,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:03:42,649 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-17 08:03:42,651 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:42,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 15 transitions. Complement of second has 6 states. [2024-11-17 08:03:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-17 08:03:42,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-17 08:03:42,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-17 08:03:42,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:42,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-17 08:03:42,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:42,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-17 08:03:42,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:42,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2024-11-17 08:03:42,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:03:42,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2024-11-17 08:03:42,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-17 08:03:42,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-17 08:03:42,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-11-17 08:03:42,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:03:42,696 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:03:42,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-11-17 08:03:42,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-17 08:03:42,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-11-17 08:03:42,699 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:03:42,699 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:03:42,700 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:03:42,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-11-17 08:03:42,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:03:42,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:03:42,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:03:42,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:03:42,702 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:03:42,702 INFO L745 eck$LassoCheckResult]: Stem: 100#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 101#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~xtmp~0#1, main_~res~0#1, main_~restmp~0#1;havoc main_~x~0#1;havoc main_~xtmp~0#1;havoc main_~res~0#1;havoc main_~restmp~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~res~0#1 := 0; 102#L13 assume true; 92#L13-1 assume !!(main_~x~0#1 > 1);main_~xtmp~0#1 := main_~x~0#1 - 2;main_~restmp~0#1 := 0; 93#L17 [2024-11-17 08:03:42,702 INFO L747 eck$LassoCheckResult]: Loop: 93#L17 assume true; 96#L17-1 assume !!(main_~xtmp~0#1 > 1);main_~xtmp~0#1 := main_~xtmp~0#1 - 2;main_~restmp~0#1 := 1 + main_~restmp~0#1; 93#L17 [2024-11-17 08:03:42,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:42,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1445791, now seen corresponding path program 1 times [2024-11-17 08:03:42,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:42,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121119913] [2024-11-17 08:03:42,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:42,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:42,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:03:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:42,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:03:42,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:42,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 1 times [2024-11-17 08:03:42,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:42,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459078794] [2024-11-17 08:03:42,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:42,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:42,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:03:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:42,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:03:42,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:42,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1389405406, now seen corresponding path program 1 times [2024-11-17 08:03:42,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:42,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664283654] [2024-11-17 08:03:42,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:42,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:42,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:03:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:42,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:03:42,771 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:03:42,771 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:03:42,772 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:03:42,772 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:03:42,772 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:03:42,772 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,772 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:03:42,772 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:03:42,773 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2024-11-17 08:03:42,773 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:03:42,773 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:03:42,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,840 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:03:42,840 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:03:42,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:42,842 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) [2024-11-17 08:03:42,844 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 [2024-11-17 08:03:42,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:03:42,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:42,870 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:03:42,871 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:03:42,884 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 [2024-11-17 08:03:42,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:42,886 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) [2024-11-17 08:03:42,887 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 [2024-11-17 08:03:42,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:03:42,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:42,920 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 [2024-11-17 08:03:42,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:42,922 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) [2024-11-17 08:03:42,926 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 [2024-11-17 08:03:42,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:03:42,927 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:42,968 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:03:42,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-17 08:03:42,973 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:03:42,973 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:03:42,973 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:03:42,973 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:03:42,973 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:03:42,973 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:42,974 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:03:42,974 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:03:42,974 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2024-11-17 08:03:42,974 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:03:42,974 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:03:42,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:42,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:43,037 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:03:43,037 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:03:43,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,039 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) [2024-11-17 08:03:43,040 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 [2024-11-17 08:03:43,041 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 [2024-11-17 08:03:43,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:03:43,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:03:43,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:03:43,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:03:43,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:03:43,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:03:43,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:03:43,058 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:03:43,061 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-17 08:03:43,061 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-17 08:03:43,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,064 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) [2024-11-17 08:03:43,065 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 [2024-11-17 08:03:43,066 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:03:43,066 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:03:43,066 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:03:43,066 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0#1) = 1*ULTIMATE.start_main_~xtmp~0#1 Supporting invariants [] [2024-11-17 08:03:43,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-17 08:03:43,082 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:03:43,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:43,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:03:43,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:43,117 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:03:43,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:03:43,124 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:03:43,124 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,136 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 5 states. [2024-11-17 08:03:43,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:03:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-17 08:03:43,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-17 08:03:43,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:43,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-17 08:03:43,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:43,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-17 08:03:43,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:43,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2024-11-17 08:03:43,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:03:43,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 19 transitions. [2024-11-17 08:03:43,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-17 08:03:43,140 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-17 08:03:43,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2024-11-17 08:03:43,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:03:43,140 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-17 08:03:43,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2024-11-17 08:03:43,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-17 08:03:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2024-11-17 08:03:43,142 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-17 08:03:43,142 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-17 08:03:43,142 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-17 08:03:43,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2024-11-17 08:03:43,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:03:43,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:03:43,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:03:43,143 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-17 08:03:43,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:03:43,144 INFO L745 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 171#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~xtmp~0#1, main_~res~0#1, main_~restmp~0#1;havoc main_~x~0#1;havoc main_~xtmp~0#1;havoc main_~res~0#1;havoc main_~restmp~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~res~0#1 := 0; 172#L13 assume true; 173#L13-1 assume !!(main_~x~0#1 > 1);main_~xtmp~0#1 := main_~x~0#1 - 2;main_~restmp~0#1 := 0; 175#L17 assume true; 176#L17-1 assume !(main_~xtmp~0#1 > 1); 162#L22 main_~x~0#1 := 1 + main_~xtmp~0#1;main_~res~0#1 := 1 + main_~res~0#1; 163#L13 assume true; 164#L13-1 assume !!(main_~x~0#1 > 1);main_~xtmp~0#1 := main_~x~0#1 - 2;main_~restmp~0#1 := 0; 165#L17 [2024-11-17 08:03:43,144 INFO L747 eck$LassoCheckResult]: Loop: 165#L17 assume true; 168#L17-1 assume !!(main_~xtmp~0#1 > 1);main_~xtmp~0#1 := main_~xtmp~0#1 - 2;main_~restmp~0#1 := 1 + main_~restmp~0#1; 165#L17 [2024-11-17 08:03:43,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:43,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1176562342, now seen corresponding path program 2 times [2024-11-17 08:03:43,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:43,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594729133] [2024-11-17 08:03:43,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:43,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:43,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:03:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:43,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:03:43,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:43,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 2 times [2024-11-17 08:03:43,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:43,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840357640] [2024-11-17 08:03:43,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:43,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:43,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:03:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:03:43,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:03:43,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:43,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1100012069, now seen corresponding path program 1 times [2024-11-17 08:03:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:03:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411823164] [2024-11-17 08:03:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:03:43,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:03:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:03:43,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:03:43,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411823164] [2024-11-17 08:03:43,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411823164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:03:43,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:03:43,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:03:43,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537627235] [2024-11-17 08:03:43,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:03:43,306 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:03:43,307 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:03:43,307 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:03:43,307 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:03:43,307 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:03:43,307 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,307 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:03:43,307 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:03:43,307 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration4_Loop [2024-11-17 08:03:43,307 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:03:43,308 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:03:43,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:43,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:43,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:43,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:43,363 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:03:43,363 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:03:43,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,365 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) [2024-11-17 08:03:43,367 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 [2024-11-17 08:03:43,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:03:43,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:43,393 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 [2024-11-17 08:03:43,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,394 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) [2024-11-17 08:03:43,395 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 [2024-11-17 08:03:43,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:03:43,396 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:43,425 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:03:43,425 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~restmp~0#1=0} Honda state: {ULTIMATE.start_main_~restmp~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~restmp~0#1=2}, {ULTIMATE.start_main_~restmp~0#1=-8}, {ULTIMATE.start_main_~restmp~0#1=7}] Lambdas: [5, 1, 1] Nus: [1, 0] [2024-11-17 08:03:43,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-17 08:03:43,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,443 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) [2024-11-17 08:03:43,444 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 [2024-11-17 08:03:43,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:03:43,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:43,468 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:03:43,468 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:03:43,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-17 08:03:43,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,484 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) [2024-11-17 08:03:43,485 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 [2024-11-17 08:03:43,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:03:43,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:43,507 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 [2024-11-17 08:03:43,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,509 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) [2024-11-17 08:03:43,509 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 [2024-11-17 08:03:43,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:03:43,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:03:43,537 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:03:43,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-17 08:03:43,541 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:03:43,541 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:03:43,541 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:03:43,542 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:03:43,542 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:03:43,542 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,542 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:03:43,542 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:03:43,542 INFO L132 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration4_Loop [2024-11-17 08:03:43,542 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:03:43,542 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:03:43,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:43,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:43,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:43,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:03:43,600 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:03:43,600 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:03:43,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,602 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) [2024-11-17 08:03:43,604 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 [2024-11-17 08:03:43,607 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 [2024-11-17 08:03:43,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:03:43,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:03:43,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:03:43,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:03:43,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:03:43,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:03:43,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:03:43,624 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:03:43,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-17 08:03:43,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,642 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) [2024-11-17 08:03:43,643 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 [2024-11-17 08:03:43,644 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 [2024-11-17 08:03:43,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:03:43,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:03:43,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:03:43,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:03:43,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:03:43,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:03:43,667 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:03:43,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-17 08:03:43,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,684 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) [2024-11-17 08:03:43,685 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 [2024-11-17 08:03:43,688 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 [2024-11-17 08:03:43,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:03:43,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:03:43,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:03:43,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:03:43,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:03:43,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:03:43,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:03:43,706 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:03:43,710 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:03:43,711 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-17 08:03:43,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:03:43,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:03:43,713 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) [2024-11-17 08:03:43,714 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 [2024-11-17 08:03:43,715 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:03:43,715 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:03:43,715 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:03:43,715 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0#1) = 1*ULTIMATE.start_main_~xtmp~0#1 Supporting invariants [] [2024-11-17 08:03:43,730 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 [2024-11-17 08:03:43,731 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:03:43,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:43,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:03:43,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:43,771 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:03:43,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:03:43,774 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:03:43,774 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,786 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 22 transitions. Complement of second has 5 states. [2024-11-17 08:03:43,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:03:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-17 08:03:43,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-17 08:03:43,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:43,789 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:03:43,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:43,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:03:43,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:43,828 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:03:43,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:43,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:03:43,831 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:03:43,831 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,841 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 22 transitions. Complement of second has 5 states. [2024-11-17 08:03:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:03:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-17 08:03:43,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-17 08:03:43,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:43,843 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:03:43,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:03:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:43,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:03:43,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:03:43,880 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:03:43,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:03:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:03:43,882 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 1 loop predicates [2024-11-17 08:03:43,883 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,897 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 26 transitions. Complement of second has 4 states. [2024-11-17 08:03:43,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:03:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-17 08:03:43,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-17 08:03:43,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:43,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-17 08:03:43,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:43,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-17 08:03:43,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:03:43,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2024-11-17 08:03:43,900 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:03:43,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2024-11-17 08:03:43,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:03:43,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:03:43,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:03:43,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:03:43,900 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:03:43,900 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:03:43,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:03:43,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:03:43,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:03:43,901 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:03:43,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:03:43,901 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-17 08:03:43,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-17 08:03:43,901 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:03:43,901 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 08:03:43,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:03:43,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:03:43,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:03:43,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:03:43,902 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:03:43,902 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:03:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 08:03:43,902 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:03:43,902 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-17 08:03:43,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:03:43,903 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:03:43,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:03:43,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:03:43 BoogieIcfgContainer [2024-11-17 08:03:43,910 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:03:43,910 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:03:43,910 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:03:43,911 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:03:43,911 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:03:41" (3/4) ... [2024-11-17 08:03:43,913 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:03:43,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:03:43,915 INFO L158 Benchmark]: Toolchain (without parser) took 2900.73ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 108.6MB in the beginning and 97.5MB in the end (delta: 11.1MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-11-17 08:03:43,915 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 157.3MB. Free memory was 119.4MB in the beginning and 119.2MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:03:43,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.64ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 97.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 08:03:43,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.28ms. Allocated memory is still 157.3MB. Free memory was 97.1MB in the beginning and 95.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:03:43,922 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 94.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:03:43,922 INFO L158 Benchmark]: IcfgBuilder took 218.72ms. Allocated memory is still 157.3MB. Free memory was 94.4MB in the beginning and 85.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-17 08:03:43,923 INFO L158 Benchmark]: BuchiAutomizer took 2372.25ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 84.5MB in the beginning and 98.5MB in the end (delta: -14.0MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2024-11-17 08:03:43,923 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 213.9MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:03:43,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 157.3MB. Free memory was 119.4MB in the beginning and 119.2MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.64ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 97.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.28ms. Allocated memory is still 157.3MB. Free memory was 97.1MB in the beginning and 95.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 94.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 218.72ms. Allocated memory is still 157.3MB. Free memory was 94.4MB in the beginning and 85.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2372.25ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 84.5MB in the beginning and 98.5MB in the end (delta: -14.0MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 213.9MB. Free memory is still 97.5MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function xtmp and consists of 3 locations. One nondeterministic module has affine ranking function xtmp and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 40 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax172 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq155 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:03:43,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-17 08:03:44,148 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 [2024-11-17 08:03:44,348 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 [2024-11-17 08:03:44,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE