./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.11.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/b.11.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 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:16:26,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:16:26,677 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-19 14:16:26,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:16:26,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:16:26,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:16:26,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:16:26,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:16:26,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:16:26,714 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:16:26,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:16:26,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:16:26,715 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:16:26,715 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:16:26,715 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:16:26,716 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:16:26,716 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:16:26,716 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:16:26,716 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:16:26,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:16:26,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:16:26,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:16:26,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:16:26,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:16:26,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:16:26,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:16:26,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:16:26,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:16:26,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:16:26,719 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:16:26,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:16:26,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:16:26,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:16:26,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:16:26,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:16:26,720 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:16:26,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d [2024-11-19 14:16:26,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:16:26,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:16:26,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:16:26,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:16:26,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:16:26,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.11.c [2024-11-19 14:16:28,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:16:28,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:16:28,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.11.c [2024-11-19 14:16:28,307 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469d7f47c/9c697f910f18483bb43544aeab15c277/FLAG295ae3675 [2024-11-19 14:16:28,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/469d7f47c/9c697f910f18483bb43544aeab15c277 [2024-11-19 14:16:28,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:16:28,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:16:28,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:16:28,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:16:28,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:16:28,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@888bd9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28, skipping insertion in model container [2024-11-19 14:16:28,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:16:28,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:16:28,875 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:16:28,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:16:28,897 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:16:28,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28 WrapperNode [2024-11-19 14:16:28,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:16:28,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:16:28,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:16:28,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:16:28,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,916 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-19 14:16:28,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:16:28,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:16:28,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:16:28,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:16:28,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,925 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,929 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 14:16:28,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:16:28,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:16:28,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:16:28,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:16:28,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (1/1) ... [2024-11-19 14:16:28,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:28,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:28,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:28,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-19 14:16:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:16:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:16:29,054 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:16:29,055 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:16:29,100 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-19 14:16:29,100 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:16:29,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:16:29,109 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:16:29,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:16:29 BoogieIcfgContainer [2024-11-19 14:16:29,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:16:29,110 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:16:29,110 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:16:29,113 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:16:29,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:16:29,114 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:16:28" (1/3) ... [2024-11-19 14:16:29,115 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ff1eaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:16:29, skipping insertion in model container [2024-11-19 14:16:29,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:16:29,116 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:28" (2/3) ... [2024-11-19 14:16:29,116 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ff1eaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:16:29, skipping insertion in model container [2024-11-19 14:16:29,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:16:29,116 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:16:29" (3/3) ... [2024-11-19 14:16:29,118 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.11.c [2024-11-19 14:16:29,161 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:16:29,161 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:16:29,161 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:16:29,161 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:16:29,162 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:16:29,162 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:16:29,162 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:16:29,162 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:16:29,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:29,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:29,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:29,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:29,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:16:29,183 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:16:29,183 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:16:29,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:29,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:29,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:29,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:29,185 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:16:29,185 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:16:29,191 INFO L745 eck$LassoCheckResult]: Stem: 4#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 8#L15-2true [2024-11-19 14:16:29,191 INFO L747 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 9#L12true assume main_~x~0#1 > main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 8#L15-2true [2024-11-19 14:16:29,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:29,195 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:16:29,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:29,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105291393] [2024-11-19 14:16:29,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:29,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:29,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:29,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:29,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:29,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2024-11-19 14:16:29,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:29,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635903467] [2024-11-19 14:16:29,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:29,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:29,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:29,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:29,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:29,301 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-11-19 14:16:29,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:29,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256287491] [2024-11-19 14:16:29,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:29,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:29,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:29,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:29,387 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:29,388 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:29,388 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:29,388 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:29,388 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:16:29,388 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,388 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:29,388 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:29,388 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration1_Loop [2024-11-19 14:16:29,389 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:29,389 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:29,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:29,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:29,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:29,480 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:29,481 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:16:29,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:29,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:29,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-19 14:16:29,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:29,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:29,516 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:29,516 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: [] [2024-11-19 14:16:29,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:29,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:29,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:29,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-19 14:16:29,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:29,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:29,550 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:29,550 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: [] [2024-11-19 14:16:29,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:29,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:29,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:29,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-19 14:16:29,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:29,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:29,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-19 14:16:29,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:29,590 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:29,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-19 14:16:29,594 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:16:29,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:29,620 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:16:29,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:29,624 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:29,624 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:29,625 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:29,625 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:29,625 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:16:29,625 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,625 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:29,625 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:29,625 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration1_Loop [2024-11-19 14:16:29,625 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:29,625 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:29,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:29,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:29,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:29,687 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:29,691 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:16:29,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:29,693 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:29,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-19 14:16:29,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:29,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:29,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:29,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:29,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:29,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:29,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:29,717 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:29,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:29,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:29,730 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:29,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-19 14:16:29,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:29,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:29,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:29,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:29,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:29,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:29,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:29,750 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:29,761 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 [2024-11-19 14:16:29,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:29,762 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:29,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-19 14:16:29,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:29,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:29,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:16:29,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:29,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:29,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:29,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:16:29,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:16:29,785 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:16:29,794 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-19 14:16:29,794 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-19 14:16:29,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:29,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:29,819 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:29,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-19 14:16:29,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:16:29,821 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:16:29,821 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:16:29,822 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 [] [2024-11-19 14:16:29,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:29,834 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:16:29,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:29,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:16:29,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:29,870 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:16:29,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:16:29,923 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-19 14:16:29,925 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-11-19 14:16:29,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-19 14:16:29,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 20 states and 28 transitions. Complement of second has 8 states. [2024-11-19 14:16:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-19 14:16:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-11-19 14:16:29,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-19 14:16:29,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-19 14:16:29,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:29,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-19 14:16:29,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:29,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-19 14:16:29,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:29,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2024-11-19 14:16:29,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:29,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 11 states and 15 transitions. [2024-11-19 14:16:29,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-19 14:16:29,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-19 14:16:29,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2024-11-19 14:16:29,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:16:29,996 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2024-11-19 14:16:30,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2024-11-19 14:16:30,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-19 14:16:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:16:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2024-11-19 14:16:30,015 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2024-11-19 14:16:30,016 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2024-11-19 14:16:30,016 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:16:30,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2024-11-19 14:16:30,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:16:30,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:16:30,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:16:30,017 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-19 14:16:30,018 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:16:30,018 INFO L745 eck$LassoCheckResult]: Stem: 68#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 69#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_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~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;main_~c~0#1 := 0; 75#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 76#L12 [2024-11-19 14:16:30,018 INFO L747 eck$LassoCheckResult]: Loop: 76#L12 assume !(main_~x~0#1 > main_~y~0#1); 70#L15 assume !(main_~x~0#1 == main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 71#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 76#L12 [2024-11-19 14:16:30,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:30,018 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-19 14:16:30,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:30,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778791254] [2024-11-19 14:16:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:30,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:30,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:30,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:30,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:30,034 INFO L85 PathProgramCache]: Analyzing trace with hash 45829, now seen corresponding path program 1 times [2024-11-19 14:16:30,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:30,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952985217] [2024-11-19 14:16:30,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:30,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:30,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:30,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:30,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:30,051 INFO L85 PathProgramCache]: Analyzing trace with hash 889694462, now seen corresponding path program 1 times [2024-11-19 14:16:30,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:16:30,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659012993] [2024-11-19 14:16:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:16:30,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:16:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:30,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:16:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:16:30,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:16:30,130 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:30,131 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:30,131 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:30,131 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:30,131 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:16:30,131 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:30,131 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:30,131 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:30,131 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration2_Loop [2024-11-19 14:16:30,131 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:30,132 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:30,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:30,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:30,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:30,238 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:30,239 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:16:30,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:30,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:30,240 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:30,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-19 14:16:30,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:30,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:30,262 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:16:30,263 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:16:30,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-19 14:16:30,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:30,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:30,275 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:30,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-19 14:16:30,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:16:30,277 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:30,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-19 14:16:30,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:30,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:30,301 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:30,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-19 14:16:30,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:16:30,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:16:30,327 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:16:30,332 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 [2024-11-19 14:16:30,333 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:16:30,333 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:16:30,333 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:16:30,333 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:16:30,333 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:16:30,333 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:30,333 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:16:30,333 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:16:30,333 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration2_Loop [2024-11-19 14:16:30,333 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:16:30,333 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:16:30,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:30,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:30,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:16:30,456 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:16:30,456 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:16:30,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:30,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:30,458 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:30,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-19 14:16:30,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:30,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:30,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:30,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:16:30,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:30,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:16:30,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:16:30,474 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:16:30,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-19 14:16:30,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:30,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:30,486 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:30,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-19 14:16:30,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:16:30,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:16:30,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:16:30,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:16:30,498 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:16:30,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:16:30,499 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-19 14:16:30,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:16:30,502 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:16:30,507 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-19 14:16:30,507 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-19 14:16:30,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:16:30,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:16:30,508 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:16:30,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-19 14:16:30,511 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:16:30,511 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:16:30,511 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:16:30,511 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-19 14:16:30,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-19 14:16:30,526 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:16:30,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:16:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:30,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:16:30,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:16:30,550 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:16:30,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:16:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:16:30,605 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-19 14:16:30,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) 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) [2024-11-19 14:16:30,644 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 1.5) 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) Result 35 states and 51 transitions. Complement of second has 9 states. [2024-11-19 14:16:30,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-19 14:16:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) 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) [2024-11-19 14:16:30,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2024-11-19 14:16:30,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-19 14:16:30,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:30,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-19 14:16:30,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:30,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-19 14:16:30,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:16:30,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 51 transitions. [2024-11-19 14:16:30,648 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:16:30,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2024-11-19 14:16:30,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:16:30,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:16:30,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:16:30,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:16:30,648 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:16:30,648 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:16:30,648 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:16:30,648 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:16:30,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:16:30,649 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:16:30,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:16:30,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:16:30 BoogieIcfgContainer [2024-11-19 14:16:30,657 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:16:30,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:16:30,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:16:30,658 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:16:30,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:16:29" (3/4) ... [2024-11-19 14:16:30,660 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:16:30,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:16:30,661 INFO L158 Benchmark]: Toolchain (without parser) took 1930.29ms. Allocated memory is still 176.2MB. Free memory was 120.6MB in the beginning and 96.6MB in the end (delta: 23.9MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-19 14:16:30,661 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:30,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.50ms. Allocated memory is still 176.2MB. Free memory was 120.6MB in the beginning and 109.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:16:30,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.46ms. Allocated memory is still 176.2MB. Free memory was 109.2MB in the beginning and 108.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:16:30,662 INFO L158 Benchmark]: Boogie Preprocessor took 20.39ms. Allocated memory is still 176.2MB. Free memory was 108.0MB in the beginning and 106.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:30,662 INFO L158 Benchmark]: RCFGBuilder took 171.41ms. Allocated memory is still 176.2MB. Free memory was 106.3MB in the beginning and 96.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:16:30,662 INFO L158 Benchmark]: BuchiAutomizer took 1547.80ms. Allocated memory is still 176.2MB. Free memory was 96.7MB in the beginning and 96.6MB in the end (delta: 83.9kB). Peak memory consumption was 362.5kB. Max. memory is 16.1GB. [2024-11-19 14:16:30,663 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 176.2MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:16:30,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.50ms. Allocated memory is still 176.2MB. Free memory was 120.6MB in the beginning and 109.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.46ms. Allocated memory is still 176.2MB. Free memory was 109.2MB in the beginning and 108.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.39ms. Allocated memory is still 176.2MB. Free memory was 108.0MB in the beginning and 106.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 171.41ms. Allocated memory is still 176.2MB. Free memory was 106.3MB in the beginning and 96.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1547.80ms. Allocated memory is still 176.2MB. Free memory was 96.7MB in the beginning and 96.6MB in the end (delta: 83.9kB). Peak memory consumption was 362.5kB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 176.2MB. Free memory is still 96.6MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 5 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax148 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq131 hnf96 smp89 dnf132 smp96 tf105 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-19 14:16:30,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-19 14:16:30,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE