./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/java_AG313.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f 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/java_AG313.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 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:55:34,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:55:34,528 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-12 20:55:34,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:55:34,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:55:34,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:55:34,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:55:34,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:55:34,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:55:34,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:55:34,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:55:34,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:55:34,566 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:55:34,566 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 20:55:34,566 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 20:55:34,566 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 20:55:34,567 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 20:55:34,567 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 20:55:34,570 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 20:55:34,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:55:34,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 20:55:34,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:55:34,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:55:34,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 20:55:34,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 20:55:34,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 20:55:34,575 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:55:34,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:55:34,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:55:34,576 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 20:55:34,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:55:34,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:55:34,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:55:34,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:55:34,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:55:34,578 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 20:55:34,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 [2024-11-12 20:55:34,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:55:34,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:55:34,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:55:34,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:55:34,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:55:34,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_AG313.c [2024-11-12 20:55:36,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:55:36,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:55:36,673 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_AG313.c [2024-11-12 20:55:36,683 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca79b4d3c/0330cfe2c6bd4f1eac7d63a6e144a346/FLAG931be195a [2024-11-12 20:55:37,064 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca79b4d3c/0330cfe2c6bd4f1eac7d63a6e144a346 [2024-11-12 20:55:37,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:55:37,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:55:37,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:55:37,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:55:37,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:55:37,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55923d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37, skipping insertion in model container [2024-11-12 20:55:37,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:55:37,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:55:37,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:55:37,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:55:37,541 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:55:37,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37 WrapperNode [2024-11-12 20:55:37,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:55:37,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:55:37,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:55:37,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:55:37,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,582 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-12 20:55:37,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:55:37,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:55:37,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:55:37,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:55:37,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,599 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 20:55:37,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:55:37,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:55:37,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:55:37,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:55:37,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (1/1) ... [2024-11-12 20:55:37,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:37,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:37,639 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) [2024-11-12 20:55:37,642 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 [2024-11-12 20:55:37,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:55:37,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:55:37,745 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:55:37,746 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:55:37,788 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-12 20:55:37,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:55:37,798 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:55:37,798 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 20:55:37,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:37 BoogieIcfgContainer [2024-11-12 20:55:37,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:55:37,799 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 20:55:37,800 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 20:55:37,803 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 20:55:37,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:55:37,804 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 08:55:37" (1/3) ... [2024-11-12 20:55:37,805 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51f294b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:55:37, skipping insertion in model container [2024-11-12 20:55:37,805 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:55:37,805 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:37" (2/3) ... [2024-11-12 20:55:37,805 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51f294b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:55:37, skipping insertion in model container [2024-11-12 20:55:37,805 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:55:37,805 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:37" (3/3) ... [2024-11-12 20:55:37,807 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_AG313.c [2024-11-12 20:55:37,864 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 20:55:37,864 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 20:55:37,864 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 20:55:37,864 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 20:55:37,865 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 20:55:37,865 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 20:55:37,865 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 20:55:37,865 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 20:55:37,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2024-11-12 20:55:37,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-12 20:55:37,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:37,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:37,893 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 20:55:37,893 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-12 20:55:37,893 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 20:55:37,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2024-11-12 20:55:37,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-12 20:55:37,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:37,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:37,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 20:55:37,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-12 20:55:37,904 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "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_~i~0#1, main_~x~0#1, main_~y~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~i~0#1 := 0;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;" "assume 0 != main_~x~0#1;" [2024-11-12 20:55:37,904 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~i~0#1 := 1 + main_~i~0#1;main_~x~0#1 := main_~x~0#1 - 1 - (main_~y~0#1 - 1);" [2024-11-12 20:55:37,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:37,910 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-12 20:55:37,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:37,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085369351] [2024-11-12 20:55:37,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:37,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:38,010 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:38,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:38,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:38,034 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2024-11-12 20:55:38,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:38,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782328468] [2024-11-12 20:55:38,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:38,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:38,047 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:38,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:38,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:38,054 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2024-11-12 20:55:38,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:38,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364514392] [2024-11-12 20:55:38,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:38,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:38,063 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:38,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:38,164 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:38,165 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:38,165 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:38,166 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:38,166 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:38,166 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,167 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:38,167 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:38,167 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2024-11-12 20:55:38,167 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:38,167 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:38,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:38,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:38,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:38,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:38,299 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:38,300 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:38,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,304 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) [2024-11-12 20:55:38,306 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 [2024-11-12 20:55:38,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:38,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:38,337 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:38,337 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:38,349 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 [2024-11-12 20:55:38,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,351 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) [2024-11-12 20:55:38,352 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 [2024-11-12 20:55:38,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:38,354 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:38,374 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:38,374 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 20:55:38,385 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 [2024-11-12 20:55:38,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,387 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) [2024-11-12 20:55:38,389 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 [2024-11-12 20:55:38,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:38,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:38,415 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 [2024-11-12 20:55:38,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,417 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) [2024-11-12 20:55:38,417 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 [2024-11-12 20:55:38,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:38,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:38,449 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:38,450 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0#1=1}, {ULTIMATE.start_main_~i~0#1=-4}, {ULTIMATE.start_main_~i~0#1=4}] Lambdas: [1, 2, 1] Nus: [0, 1] [2024-11-12 20:55:38,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-12 20:55:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,467 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) [2024-11-12 20:55:38,468 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 [2024-11-12 20:55:38,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:38,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:38,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-12 20:55:38,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,503 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) [2024-11-12 20:55:38,505 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 [2024-11-12 20:55:38,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:38,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:38,594 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:38,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-12 20:55:38,599 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:38,599 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:38,599 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:38,599 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:38,599 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:38,599 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,600 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:38,600 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:38,600 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2024-11-12 20:55:38,600 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:38,600 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:38,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:38,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:38,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:38,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:38,723 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:38,728 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:38,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,731 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) [2024-11-12 20:55:38,733 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 [2024-11-12 20:55:38,734 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 [2024-11-12 20:55:38,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:38,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:38,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:38,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:38,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:38,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:38,758 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:38,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-12 20:55:38,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,776 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) [2024-11-12 20:55:38,778 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 [2024-11-12 20:55:38,779 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 [2024-11-12 20:55:38,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:38,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:38,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:38,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:38,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:38,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:38,800 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:38,811 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 [2024-11-12 20:55:38,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,813 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) [2024-11-12 20:55:38,814 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 [2024-11-12 20:55:38,815 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 [2024-11-12 20:55:38,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:38,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:38,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:38,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:38,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:38,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:38,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:38,829 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:38,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:38,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,846 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) [2024-11-12 20:55:38,847 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 [2024-11-12 20:55:38,848 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 [2024-11-12 20:55:38,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:38,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:38,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:38,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:38,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:38,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:38,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:38,863 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:38,867 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 20:55:38,867 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:55:38,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:38,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:38,892 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) [2024-11-12 20:55:38,893 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 [2024-11-12 20:55:38,894 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:38,894 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:38,894 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:38,895 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 [] [2024-11-12 20:55:38,905 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 [2024-11-12 20:55:38,909 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:38,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:38,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:38,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:38,958 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 20:55:38,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:39,002 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 [2024-11-12 20:55:39,007 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) 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) [2024-11-12 20:55:39,038 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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). 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) Result 17 states and 19 transitions. Complement of second has 4 states. [2024-11-12 20:55:39,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-12 20:55:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2024-11-12 20:55:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-12 20:55:39,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-12 20:55:39,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:39,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 1 letters. [2024-11-12 20:55:39,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:39,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-12 20:55:39,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:39,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2024-11-12 20:55:39,053 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:55:39,055 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2024-11-12 20:55:39,055 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 20:55:39,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 20:55:39,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 20:55:39,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:55:39,056 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:55:39,056 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:55:39,056 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:55:39,056 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 20:55:39,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 20:55:39,057 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:55:39,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 20:55:39,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 08:55:39 BoogieIcfgContainer [2024-11-12 20:55:39,067 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 20:55:39,068 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:55:39,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:55:39,069 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:55:39,069 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:37" (3/4) ... [2024-11-12 20:55:39,074 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 20:55:39,075 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:55:39,076 INFO L158 Benchmark]: Toolchain (without parser) took 2007.06ms. Allocated memory is still 178.3MB. Free memory was 115.1MB in the beginning and 83.8MB in the end (delta: 31.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-12 20:55:39,077 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:55:39,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.49ms. Allocated memory is still 178.3MB. Free memory was 115.1MB in the beginning and 147.6MB in the end (delta: -32.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-12 20:55:39,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.56ms. Allocated memory is still 178.3MB. Free memory was 147.6MB in the beginning and 146.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:55:39,078 INFO L158 Benchmark]: Boogie Preprocessor took 22.40ms. Allocated memory is still 178.3MB. Free memory was 146.0MB in the beginning and 144.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:55:39,079 INFO L158 Benchmark]: RCFGBuilder took 191.61ms. Allocated memory is still 178.3MB. Free memory was 144.7MB in the beginning and 135.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 20:55:39,079 INFO L158 Benchmark]: BuchiAutomizer took 1267.50ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 84.5MB in the end (delta: 51.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-12 20:55:39,079 INFO L158 Benchmark]: Witness Printer took 6.52ms. Allocated memory is still 178.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:55:39,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.49ms. Allocated memory is still 178.3MB. Free memory was 115.1MB in the beginning and 147.6MB in the end (delta: -32.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.56ms. Allocated memory is still 178.3MB. Free memory was 147.6MB in the beginning and 146.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.40ms. Allocated memory is still 178.3MB. Free memory was 146.0MB in the beginning and 144.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 191.61ms. Allocated memory is still 178.3MB. Free memory was 144.7MB in the beginning and 135.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1267.50ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 84.5MB in the end (delta: 51.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 6.52ms. Allocated memory is still 178.3MB. Free memory is still 83.8MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-12 20:55:39,113 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 [2024-11-12 20:55:39,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE