./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB15.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB15.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 856b26ed1b95b9c5e409c9e42274459ceef7cfabfe29e933603f5e3c1c7ce07f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:14:57,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:14:57,202 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-12 00:14:57,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:14:57,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:14:57,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:14:57,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:14:57,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:14:57,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:14:57,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:14:57,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:14:57,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:14:57,240 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:14:57,240 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:14:57,242 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:14:57,243 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:14:57,243 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:14:57,243 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:14:57,243 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:14:57,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:14:57,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:14:57,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:14:57,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:14:57,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:14:57,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:14:57,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:14:57,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:14:57,246 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:14:57,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:14:57,247 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:14:57,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:14:57,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:14:57,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:14:57,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:14:57,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:14:57,249 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:14:57,249 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 856b26ed1b95b9c5e409c9e42274459ceef7cfabfe29e933603f5e3c1c7ce07f [2024-10-12 00:14:57,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:14:57,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:14:57,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:14:57,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:14:57,520 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:14:57,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB15.c [2024-10-12 00:14:58,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:14:59,082 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:14:59,083 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB15.c [2024-10-12 00:14:59,091 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2c8deb182/8ceef90acb044bd9adc7d23284f1e90f/FLAG6c998248c [2024-10-12 00:14:59,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2c8deb182/8ceef90acb044bd9adc7d23284f1e90f [2024-10-12 00:14:59,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:14:59,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:14:59,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:14:59,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:14:59,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:14:59,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78de06f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59, skipping insertion in model container [2024-10-12 00:14:59,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:14:59,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:14:59,320 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:14:59,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:14:59,346 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:14:59,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59 WrapperNode [2024-10-12 00:14:59,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:14:59,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:14:59,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:14:59,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:14:59,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,374 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-10-12 00:14:59,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:14:59,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:14:59,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:14:59,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:14:59,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,386 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,392 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-12 00:14:59,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:14:59,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:14:59,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:14:59,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:14:59,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (1/1) ... [2024-10-12 00:14:59,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:14:59,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:14:59,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:14:59,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:14:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:14:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:14:59,570 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:14:59,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:14:59,631 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-12 00:14:59,631 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:14:59,641 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:14:59,641 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 00:14:59,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:14:59 BoogieIcfgContainer [2024-10-12 00:14:59,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:14:59,643 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:14:59,643 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:14:59,647 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:14:59,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:14:59,649 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:14:59" (1/3) ... [2024-10-12 00:14:59,650 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5df4e182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:14:59, skipping insertion in model container [2024-10-12 00:14:59,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:14:59,650 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:14:59" (2/3) ... [2024-10-12 00:14:59,650 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5df4e182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:14:59, skipping insertion in model container [2024-10-12 00:14:59,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:14:59,650 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:14:59" (3/3) ... [2024-10-12 00:14:59,652 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaB15.c [2024-10-12 00:14:59,700 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:14:59,700 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:14:59,700 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:14:59,701 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:14:59,701 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:14:59,701 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:14:59,701 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:14:59,701 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:14:59,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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) [2024-10-12 00:14:59,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:59,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:59,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:59,723 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:14:59,723 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:59,723 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:14:59,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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) [2024-10-12 00:14:59,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:14:59,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:14:59,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:14:59,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:14:59,725 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:14:59,730 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L14-3true [2024-10-12 00:14:59,731 INFO L747 eck$LassoCheckResult]: Loop: 7#L14-3true assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > main_~z~0#1); 8#L14-2true assume !(main_~y~0#1 > main_~z~0#1); 7#L14-3true [2024-10-12 00:14:59,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:59,736 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:14:59,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:59,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253874489] [2024-10-12 00:14:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:59,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:59,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:14:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:14:59,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:14:59,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:14:59,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1320, now seen corresponding path program 1 times [2024-10-12 00:14:59,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:14:59,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963970803] [2024-10-12 00:14:59,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:14:59,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:14:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:14:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:14:59,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:14:59,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963970803] [2024-10-12 00:14:59,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963970803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:14:59,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:14:59,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-12 00:14:59,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150124561] [2024-10-12 00:14:59,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:14:59,955 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 00:14:59,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:14:59,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:14:59,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:14:59,987 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:00,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:15:00,004 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-10-12 00:15:00,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-12 00:15:00,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:15:00,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 6 transitions. [2024-10-12 00:15:00,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-12 00:15:00,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-10-12 00:15:00,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2024-10-12 00:15:00,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:15:00,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2024-10-12 00:15:00,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2024-10-12 00:15:00,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2024-10-12 00:15:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2024-10-12 00:15:00,030 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2024-10-12 00:15:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:15:00,035 INFO L425 stractBuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2024-10-12 00:15:00,035 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:15:00,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2024-10-12 00:15:00,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 00:15:00,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:00,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:00,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:15:00,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-12 00:15:00,036 INFO L745 eck$LassoCheckResult]: Stem: 26#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 27#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 28#L14-3 [2024-10-12 00:15:00,037 INFO L747 eck$LassoCheckResult]: Loop: 28#L14-3 assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > main_~z~0#1); 29#L14-2 assume !!(main_~y~0#1 > main_~z~0#1);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 30#L14-2 assume !(main_~y~0#1 > main_~z~0#1); 28#L14-3 [2024-10-12 00:15:00,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:00,037 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-12 00:15:00,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:00,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702340318] [2024-10-12 00:15:00,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:00,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:00,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:00,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:00,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:00,046 INFO L85 PathProgramCache]: Analyzing trace with hash 41000, now seen corresponding path program 1 times [2024-10-12 00:15:00,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:00,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757063597] [2024-10-12 00:15:00,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:00,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:00,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:00,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:00,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:00,069 INFO L85 PathProgramCache]: Analyzing trace with hash 28699942, now seen corresponding path program 1 times [2024-10-12 00:15:00,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:00,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122586281] [2024-10-12 00:15:00,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:00,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:00,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:00,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:00,228 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:00,228 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:00,228 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:00,229 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:00,229 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:15:00,229 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:00,229 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:00,229 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:00,229 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB15.c_Iteration2_Loop [2024-10-12 00:15:00,229 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:00,230 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:00,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:00,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:00,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:00,382 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:00,383 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:15:00,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:00,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:00,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:00,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:15:00,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:00,392 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:00,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:00,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:00,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:00,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:00,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:15:00,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:15:00,435 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:00,658 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:15:00,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:00,664 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:00,664 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:00,664 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:00,664 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:00,664 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:15:00,665 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:00,665 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:00,665 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:00,665 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB15.c_Iteration2_Loop [2024-10-12 00:15:00,665 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:00,665 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:00,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:00,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:00,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:00,761 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:00,765 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:15:00,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:00,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:00,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:00,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:15:00,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:00,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:00,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:15:00,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:00,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:00,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:00,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:15:00,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:15:00,792 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:15:00,801 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-12 00:15:00,801 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:15:00,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:00,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:00,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:00,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:15:00,829 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:15:00,829 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:15:00,829 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:15:00,830 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-10-12 00:15:00,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:00,851 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:15:00,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:00,892 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:15:00,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:00,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:15:00,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:00,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-12 00:15:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:01,041 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-12 00:15:01,043 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:01,081 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 6 states. [2024-10-12 00:15:01,082 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 [2024-10-12 00:15:01,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:15:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-10-12 00:15:01,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 2 letters. Loop has 3 letters. [2024-10-12 00:15:01,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:01,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 3 letters. [2024-10-12 00:15:01,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:01,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-12 00:15:01,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:01,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2024-10-12 00:15:01,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:15:01,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 12 transitions. [2024-10-12 00:15:01,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-10-12 00:15:01,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-10-12 00:15:01,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-10-12 00:15:01,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:15:01,088 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-10-12 00:15:01,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-10-12 00:15:01,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-12 00:15:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2024-10-12 00:15:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-10-12 00:15:01,090 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-12 00:15:01,090 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-12 00:15:01,090 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:15:01,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-10-12 00:15:01,091 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-12 00:15:01,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:15:01,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:15:01,092 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2024-10-12 00:15:01,092 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-12 00:15:01,093 INFO L745 eck$LassoCheckResult]: Stem: 82#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 83#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 84#L14-3 assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > main_~z~0#1); 85#L14-2 assume !!(main_~y~0#1 > main_~z~0#1);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 88#L14-2 assume !!(main_~y~0#1 > main_~z~0#1);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 87#L14-2 [2024-10-12 00:15:01,093 INFO L747 eck$LassoCheckResult]: Loop: 87#L14-2 assume !!(main_~y~0#1 > main_~z~0#1);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 87#L14-2 [2024-10-12 00:15:01,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:01,094 INFO L85 PathProgramCache]: Analyzing trace with hash 28699944, now seen corresponding path program 1 times [2024-10-12 00:15:01,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:01,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632815717] [2024-10-12 00:15:01,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:01,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:01,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:01,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:01,128 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2024-10-12 00:15:01,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:01,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596501471] [2024-10-12 00:15:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:01,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:01,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:01,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:01,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:01,137 INFO L85 PathProgramCache]: Analyzing trace with hash 889698284, now seen corresponding path program 2 times [2024-10-12 00:15:01,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:15:01,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541176052] [2024-10-12 00:15:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:15:01,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:15:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:01,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:15:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:15:01,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:15:01,181 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:01,181 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:01,181 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:01,181 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:01,181 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-12 00:15:01,181 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,181 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:01,182 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:01,182 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB15.c_Iteration3_Loop [2024-10-12 00:15:01,182 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:01,182 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:01,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:01,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:01,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:01,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:01,252 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:01,253 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-12 00:15:01,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:01,255 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:01,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:15:01,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:01,258 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:01,282 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:01,282 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: [] [2024-10-12 00:15:01,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 00:15:01,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:01,301 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:01,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:15:01,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:01,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:01,327 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-12 00:15:01,327 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-12 00:15:01,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:01,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:01,343 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:01,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:15:01,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-12 00:15:01,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:01,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-12 00:15:01,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:01,375 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:01,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:15:01,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-12 00:15:01,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-12 00:15:01,546 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-12 00:15:01,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-12 00:15:01,553 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:15:01,553 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:15:01,553 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:15:01,553 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:15:01,553 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:15:01,553 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,553 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:15:01,553 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:15:01,553 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB15.c_Iteration3_Loop [2024-10-12 00:15:01,553 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:15:01,554 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:15:01,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:01,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:01,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:01,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:15:01,624 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:15:01,625 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:15:01,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:01,627 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:01,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:15:01,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:01,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:01,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:01,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:01,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:01,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:15:01,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:15:01,649 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:01,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:15:01,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:01,667 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:01,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:15:01,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:01,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:01,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:01,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:01,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:01,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:15:01,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:15:01,692 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:15:01,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-12 00:15:01,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:01,711 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:01,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:15:01,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:15:01,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:15:01,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:15:01,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:15:01,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:15:01,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:15:01,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:15:01,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:15:01,732 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:15:01,738 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-12 00:15:01,738 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-12 00:15:01,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:15:01,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:15:01,740 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:15:01,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:15:01,743 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:15:01,743 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-12 00:15:01,743 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:15:01,743 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-10-12 00:15:01,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-12 00:15:01,761 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-12 00:15:01,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:15:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:01,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:15:01,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:15:01,801 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:15:01,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:15:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:15:01,803 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 [2024-10-12 00:15:01,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-10-12 00:15:01,817 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 12 states and 16 transitions. Complement of second has 4 states. [2024-10-12 00:15:01,819 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 [2024-10-12 00:15:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-10-12 00:15:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-10-12 00:15:01,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2024-10-12 00:15:01,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:01,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2024-10-12 00:15:01,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:01,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-12 00:15:01,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:15:01,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2024-10-12 00:15:01,822 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:15:01,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2024-10-12 00:15:01,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:15:01,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:15:01,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:15:01,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:15:01,823 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:15:01,823 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:15:01,823 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:15:01,826 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:15:01,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:15:01,826 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:15:01,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:15:01,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:15:01 BoogieIcfgContainer [2024-10-12 00:15:01,835 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:15:01,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:15:01,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:15:01,836 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:15:01,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:14:59" (3/4) ... [2024-10-12 00:15:01,839 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:15:01,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:15:01,840 INFO L158 Benchmark]: Toolchain (without parser) took 2732.30ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 59.4MB in the beginning and 119.4MB in the end (delta: -60.0MB). Peak memory consumption was 891.5kB. Max. memory is 16.1GB. [2024-10-12 00:15:01,841 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 130.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:15:01,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.36ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 59.2MB in the beginning and 160.9MB in the end (delta: -101.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-10-12 00:15:01,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.63ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 158.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:15:01,844 INFO L158 Benchmark]: Boogie Preprocessor took 28.24ms. Allocated memory is still 190.8MB. Free memory was 158.8MB in the beginning and 157.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:15:01,844 INFO L158 Benchmark]: RCFGBuilder took 237.52ms. Allocated memory is still 190.8MB. Free memory was 157.6MB in the beginning and 149.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-12 00:15:01,844 INFO L158 Benchmark]: BuchiAutomizer took 2191.92ms. Allocated memory is still 190.8MB. Free memory was 149.2MB in the beginning and 120.4MB in the end (delta: 28.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-10-12 00:15:01,845 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 190.8MB. Free memory was 120.4MB in the beginning and 119.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:15:01,847 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 130.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.36ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 59.2MB in the beginning and 160.9MB in the end (delta: -101.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.63ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 158.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.24ms. Allocated memory is still 190.8MB. Free memory was 158.8MB in the beginning and 157.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 237.52ms. Allocated memory is still 190.8MB. Free memory was 157.6MB in the beginning and 149.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2191.92ms. Allocated memory is still 190.8MB. Free memory was 149.2MB in the beginning and 120.4MB in the end (delta: 28.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 190.8MB. Free memory was 120.4MB in the beginning and 119.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * z) + x) and consists of 4 locations. One deterministic module has affine ranking function (((long) -1 * z) + y) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 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, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 14 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax161 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf93 smp93 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:15:01,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-12 00:15:02,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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