./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d 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/loop-lit/mine2017-ex4.6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1fa7c9a8ed8874a508931184bf09b1ee30162cb6ccbf87de6b2ebe54845cfa76 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:51:52,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:51:53,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 15:51:53,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:51:53,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:51:53,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:51:53,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:51:53,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:51:53,094 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:51:53,099 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:51:53,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:51:53,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:51:53,101 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:51:53,101 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:51:53,101 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:51:53,101 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:51:53,102 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:51:53,102 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:51:53,102 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:51:53,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:51:53,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:51:53,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:51:53,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:51:53,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:51:53,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:51:53,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:51:53,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:51:53,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:51:53,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:51:53,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:51:53,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:51:53,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:51:53,108 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:51:53,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:51:53,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:51:53,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:51:53,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:51:53,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:51:53,111 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:51:53,111 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa7c9a8ed8874a508931184bf09b1ee30162cb6ccbf87de6b2ebe54845cfa76 [2024-11-09 15:51:53,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:51:53,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:51:53,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:51:53,396 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:51:53,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:51:53,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-11-09 15:51:54,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:51:54,984 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:51:54,984 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-11-09 15:51:54,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd10ba0ca/6e2d596605ce4e1a86e91eb66e375946/FLAGdf8518804 [2024-11-09 15:51:55,003 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd10ba0ca/6e2d596605ce4e1a86e91eb66e375946 [2024-11-09 15:51:55,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:51:55,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:51:55,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:51:55,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:51:55,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:51:55,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164a72f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55, skipping insertion in model container [2024-11-09 15:51:55,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:51:55,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:51:55,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:51:55,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:51:55,266 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:51:55,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55 WrapperNode [2024-11-09 15:51:55,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:51:55,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:51:55,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:51:55,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:51:55,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,318 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 42 [2024-11-09 15:51:55,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:51:55,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:51:55,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:51:55,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:51:55,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,331 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,341 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 15:51:55,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:51:55,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:51:55,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:51:55,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:51:55,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (1/1) ... [2024-11-09 15:51:55,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:55,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:55,402 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) [2024-11-09 15:51:55,404 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 [2024-11-09 15:51:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:51:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:51:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:51:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:51:55,505 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:51:55,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:51:55,597 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 15:51:55,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:51:55,608 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:51:55,608 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 15:51:55,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:51:55 BoogieIcfgContainer [2024-11-09 15:51:55,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:51:55,610 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:51:55,610 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:51:55,615 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:51:55,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:51:55,615 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:51:55" (1/3) ... [2024-11-09 15:51:55,616 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21c01d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:51:55, skipping insertion in model container [2024-11-09 15:51:55,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:51:55,617 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:55" (2/3) ... [2024-11-09 15:51:55,617 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21c01d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:51:55, skipping insertion in model container [2024-11-09 15:51:55,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:51:55,617 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:51:55" (3/3) ... [2024-11-09 15:51:55,619 INFO L332 chiAutomizerObserver]: Analyzing ICFG mine2017-ex4.6.i [2024-11-09 15:51:55,671 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:51:55,672 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:51:55,672 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:51:55,672 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:51:55,672 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:51:55,672 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:51:55,672 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:51:55,672 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:51:55,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 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) [2024-11-09 15:51:55,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-09 15:51:55,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:51:55,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:51:55,692 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:51:55,693 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:51:55,693 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:51:55,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 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) [2024-11-09 15:51:55,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-09 15:51:55,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:51:55,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:51:55,695 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:51:55,695 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-09 15:51:55,703 INFO L745 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~x~0#1;main_~x~0#1 := 40; 19#L16-2true [2024-11-09 15:51:55,704 INFO L747 eck$LassoCheckResult]: Loop: 19#L16-2true assume !!(0 != main_~x~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~x~0#1 <= 40 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 13#L13true assume !(0 == __VERIFIER_assert_~cond#1); 5#L13-3true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post1#1 := main_~x~0#1;main_~x~0#1 := main_#t~post1#1 - 1;havoc main_#t~post1#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~x~0#1 >= 0 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 20#L13-4true assume !(0 == __VERIFIER_assert_~cond#1); 11#L13-7true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 19#L16-2true [2024-11-09 15:51:55,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:51:55,712 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-09 15:51:55,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:51:55,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651973156] [2024-11-09 15:51:55,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:51:55,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:51:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:55,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:51:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:55,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:51:55,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:51:55,832 INFO L85 PathProgramCache]: Analyzing trace with hash 39559918, now seen corresponding path program 1 times [2024-11-09 15:51:55,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:51:55,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991800617] [2024-11-09 15:51:55,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:51:55,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:51:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:55,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:51:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:55,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:51:55,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:51:55,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1810999404, now seen corresponding path program 1 times [2024-11-09 15:51:55,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:51:55,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132044957] [2024-11-09 15:51:55,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:51:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:51:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:55,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:51:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:55,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:51:56,082 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:51:56,083 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:51:56,083 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:51:56,083 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:51:56,083 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:51:56,084 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,084 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:51:56,084 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:51:56,084 INFO L132 ssoRankerPreferences]: Filename of dumped script: mine2017-ex4.6.i_Iteration1_Loop [2024-11-09 15:51:56,084 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:51:56,084 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:51:56,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:56,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:56,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:56,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:56,190 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:51:56,191 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:51:56,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:56,195 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) [2024-11-09 15:51:56,197 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 [2024-11-09 15:51:56,198 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:51:56,198 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:51:56,213 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:51:56,214 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-09 15:51:56,224 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 [2024-11-09 15:51:56,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:56,227 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) [2024-11-09 15:51:56,228 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 [2024-11-09 15:51:56,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:51:56,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:51:56,243 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:51:56,244 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-09 15:51:56,257 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 [2024-11-09 15:51:56,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:56,260 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) [2024-11-09 15:51:56,262 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 [2024-11-09 15:51:56,263 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:51:56,263 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:51:56,296 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 [2024-11-09 15:51:56,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:56,300 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) [2024-11-09 15:51:56,302 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 [2024-11-09 15:51:56,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:51:56,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:51:56,364 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:51:56,369 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 [2024-11-09 15:51:56,369 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:51:56,370 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:51:56,370 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:51:56,370 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:51:56,370 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:51:56,370 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,370 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:51:56,371 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:51:56,371 INFO L132 ssoRankerPreferences]: Filename of dumped script: mine2017-ex4.6.i_Iteration1_Loop [2024-11-09 15:51:56,371 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:51:56,371 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:51:56,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:56,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:56,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:56,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:56,444 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:51:56,451 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:51:56,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:56,454 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) [2024-11-09 15:51:56,455 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 [2024-11-09 15:51:56,456 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 [2024-11-09 15:51:56,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:51:56,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:51:56,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:51:56,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:51:56,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:51:56,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:51:56,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:51:56,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:51:56,482 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 [2024-11-09 15:51:56,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:56,484 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) [2024-11-09 15:51:56,485 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 [2024-11-09 15:51:56,486 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 [2024-11-09 15:51:56,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:51:56,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:51:56,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:51:56,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:51:56,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:51:56,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:51:56,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:51:56,502 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:51:56,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-09 15:51:56,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:56,515 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) [2024-11-09 15:51:56,515 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 [2024-11-09 15:51:56,516 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 [2024-11-09 15:51:56,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:51:56,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:51:56,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:51:56,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:51:56,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:51:56,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:51:56,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:51:56,531 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:51:56,535 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:51:56,536 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-09 15:51:56,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:56,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:56,555 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) [2024-11-09 15:51:56,556 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 [2024-11-09 15:51:56,556 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:51:56,556 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:51:56,557 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:51:56,557 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 [] [2024-11-09 15:51:56,568 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 [2024-11-09 15:51:56,573 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:51:56,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:51:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:51:56,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:51:56,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:51:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:51:56,637 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 15:51:56,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:51:56,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:51:56,766 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 [2024-11-09 15:51:56,768 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:51:56,837 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 [2024-11-09 15:51:56,871 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 71 transitions. Complement of second has 8 states. [2024-11-09 15:51:56,894 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 [2024-11-09 15:51:56,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:51:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2024-11-09 15:51:56,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-09 15:51:56,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:51:56,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-09 15:51:56,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:51:56,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-09 15:51:56,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:51:56,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 71 transitions. [2024-11-09 15:51:56,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:51:56,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2024-11-09 15:51:56,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:51:56,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:51:56,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:51:56,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:51:56,932 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:51:56,932 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:51:56,932 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:51:56,932 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:51:56,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:51:56,932 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:51:56,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:51:56,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:51:56 BoogieIcfgContainer [2024-11-09 15:51:56,941 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:51:56,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:51:56,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:51:56,942 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:51:56,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:51:55" (3/4) ... [2024-11-09 15:51:56,946 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:51:56,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:51:56,949 INFO L158 Benchmark]: Toolchain (without parser) took 1940.10ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 97.6MB in the beginning and 193.7MB in the end (delta: -96.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:51:56,949 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:51:56,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.85ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 85.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 15:51:56,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.03ms. Allocated memory is still 169.9MB. Free memory was 85.5MB in the beginning and 138.7MB in the end (delta: -53.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-09 15:51:56,951 INFO L158 Benchmark]: Boogie Preprocessor took 39.27ms. Allocated memory is still 169.9MB. Free memory was 138.7MB in the beginning and 137.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:51:56,952 INFO L158 Benchmark]: RCFGBuilder took 249.91ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 137.0MB in the beginning and 192.2MB in the end (delta: -55.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-09 15:51:56,953 INFO L158 Benchmark]: BuchiAutomizer took 1331.62ms. Allocated memory is still 230.7MB. Free memory was 192.2MB in the beginning and 193.7MB in the end (delta: -1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:51:56,953 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 230.7MB. Free memory is still 193.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:51:56,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.85ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 85.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.03ms. Allocated memory is still 169.9MB. Free memory was 85.5MB in the beginning and 138.7MB in the end (delta: -53.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.27ms. Allocated memory is still 169.9MB. Free memory was 138.7MB in the beginning and 137.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 249.91ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 137.0MB in the beginning and 192.2MB in the end (delta: -55.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1331.62ms. Allocated memory is still 230.7MB. Free memory was 192.2MB in the beginning and 193.7MB in the end (delta: -1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 230.7MB. Free memory is still 193.7MB. 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 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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! [2024-11-09 15:51:56,991 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