./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:38:09,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:38:09,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:38:09,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:38:09,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:38:09,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:38:09,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:38:09,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:38:09,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:38:09,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:38:09,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:38:09,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:38:09,906 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:38:09,907 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:38:09,908 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:38:09,908 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:38:09,908 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:38:09,908 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:38:09,908 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:38:09,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:38:09,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:38:09,912 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:38:09,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:38:09,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:38:09,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:38:09,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:38:09,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:38:09,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:38:09,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:38:09,914 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:38:09,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:38:09,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:38:09,914 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:38:09,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:38:09,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:38:09,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:38:09,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:38:09,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:38:09,915 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:38:09,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa7c9a8ed8874a508931184bf09b1ee30162cb6ccbf87de6b2ebe54845cfa76 [2024-11-23 02:38:10,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:38:10,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:38:10,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:38:10,159 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:38:10,159 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:38:10,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-11-23 02:38:11,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:38:11,543 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:38:11,544 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-11-23 02:38:11,549 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2287bd5ea/4d5895a83fa84c7bbf85a82f1cbe5ab3/FLAG746081efe [2024-11-23 02:38:11,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2287bd5ea/4d5895a83fa84c7bbf85a82f1cbe5ab3 [2024-11-23 02:38:11,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:38:11,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:38:11,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:38:11,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:38:11,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:38:11,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:11" (1/1) ... [2024-11-23 02:38:11,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232bab75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:11, skipping insertion in model container [2024-11-23 02:38:11,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:11" (1/1) ... [2024-11-23 02:38:11,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:38:12,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:38:12,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:38:12,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:38:12,155 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:38:12,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12 WrapperNode [2024-11-23 02:38:12,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:38:12,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:38:12,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:38:12,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:38:12,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,176 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 42 [2024-11-23 02:38:12,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:38:12,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:38:12,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:38:12,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:38:12,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,184 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,191 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]. [2024-11-23 02:38:12,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:38:12,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:38:12,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:38:12,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:38:12,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2024-11-23 02:38:12,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:12,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:12,229 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) [2024-11-23 02:38:12,232 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 [2024-11-23 02:38:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:38:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:38:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:38:12,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:38:12,308 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:38:12,310 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:38:12,401 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-23 02:38:12,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:38:12,409 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:38:12,409 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 02:38:12,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:12 BoogieIcfgContainer [2024-11-23 02:38:12,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:38:12,412 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:38:12,413 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:38:12,424 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:38:12,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:38:12,425 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:38:11" (1/3) ... [2024-11-23 02:38:12,426 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ba6f638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:38:12, skipping insertion in model container [2024-11-23 02:38:12,426 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:38:12,426 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (2/3) ... [2024-11-23 02:38:12,426 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ba6f638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:38:12, skipping insertion in model container [2024-11-23 02:38:12,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:38:12,427 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:12" (3/3) ... [2024-11-23 02:38:12,428 INFO L332 chiAutomizerObserver]: Analyzing ICFG mine2017-ex4.6.i [2024-11-23 02:38:12,464 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:38:12,464 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:38:12,464 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:38:12,464 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:38:12,464 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:38:12,465 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:38:12,465 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:38:12,465 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:38:12,467 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) [2024-11-23 02:38:12,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-23 02:38:12,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:12,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:12,482 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:38:12,482 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-23 02:38:12,482 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:38:12,482 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) [2024-11-23 02:38:12,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-23 02:38:12,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:12,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:12,484 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:38:12,484 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-23 02:38:12,489 INFO L745 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~x~0#1;main_~x~0#1 := 40; 19#L16-2true [2024-11-23 02:38:12,489 INFO L747 eck$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 [2024-11-23 02:38:12,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:12,493 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-23 02:38:12,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:12,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110249830] [2024-11-23 02:38:12,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:12,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:12,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:12,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:12,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:12,595 INFO L85 PathProgramCache]: Analyzing trace with hash 39559918, now seen corresponding path program 1 times [2024-11-23 02:38:12,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:12,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051639141] [2024-11-23 02:38:12,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:12,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:12,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:12,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:12,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:12,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1810999404, now seen corresponding path program 1 times [2024-11-23 02:38:12,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:12,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710302551] [2024-11-23 02:38:12,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:12,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:12,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:12,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:12,787 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:12,787 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:12,788 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:12,788 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:12,788 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:38:12,788 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:12,788 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:12,788 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:12,788 INFO L132 ssoRankerPreferences]: Filename of dumped script: mine2017-ex4.6.i_Iteration1_Loop [2024-11-23 02:38:12,788 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:12,789 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:12,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:12,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:12,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:12,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:12,857 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:12,858 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:38:12,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:12,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:12,862 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) [2024-11-23 02:38:12,863 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 [2024-11-23 02:38:12,864 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:38:12,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:12,880 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:38:12,880 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: [] [2024-11-23 02:38:12,887 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 [2024-11-23 02:38:12,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:12,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:12,891 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) [2024-11-23 02:38:12,893 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 [2024-11-23 02:38:12,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:38:12,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:12,906 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 02:38:12,906 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: [] [2024-11-23 02:38:12,912 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 [2024-11-23 02:38:12,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:12,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:12,914 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) [2024-11-23 02:38:12,916 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 [2024-11-23 02:38:12,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:38:12,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:12,937 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 [2024-11-23 02:38:12,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:12,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:12,939 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) [2024-11-23 02:38:12,940 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 [2024-11-23 02:38:12,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:38:12,941 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:12,975 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:38:12,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-23 02:38:12,979 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:12,980 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:12,980 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:12,980 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:12,981 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:38:12,981 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:12,981 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:12,983 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:12,983 INFO L132 ssoRankerPreferences]: Filename of dumped script: mine2017-ex4.6.i_Iteration1_Loop [2024-11-23 02:38:12,983 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:12,983 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:12,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:12,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:12,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:12,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:13,027 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:13,032 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:38:13,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:13,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:13,034 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) [2024-11-23 02:38:13,034 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 [2024-11-23 02:38:13,036 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 [2024-11-23 02:38:13,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:13,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:13,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:13,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:13,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:13,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:38:13,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:13,050 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:38:13,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-23 02:38:13,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:13,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:13,057 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) [2024-11-23 02:38:13,058 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 [2024-11-23 02:38:13,059 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 [2024-11-23 02:38:13,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:13,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:13,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:13,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:13,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:13,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:38:13,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:13,073 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:38:13,089 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 [2024-11-23 02:38:13,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:13,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:13,091 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) [2024-11-23 02:38:13,092 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 [2024-11-23 02:38:13,093 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 [2024-11-23 02:38:13,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:13,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:13,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:13,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:13,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:13,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:38:13,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:13,106 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:38:13,109 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:38:13,109 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 02:38:13,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:13,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:13,131 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) [2024-11-23 02:38:13,132 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 [2024-11-23 02:38:13,133 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:38:13,133 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:38:13,133 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:38:13,133 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 [] [2024-11-23 02:38:13,138 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 [2024-11-23 02:38:13,141 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:38:13,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:13,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:38:13,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:13,187 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 02:38:13,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:13,285 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 [2024-11-23 02:38:13,286 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) [2024-11-23 02:38:13,330 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. [2024-11-23 02:38:13,333 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 [2024-11-23 02:38:13,337 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) [2024-11-23 02:38:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2024-11-23 02:38:13,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-23 02:38:13,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:13,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-23 02:38:13,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:13,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-23 02:38:13,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:13,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 71 transitions. [2024-11-23 02:38:13,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:38:13,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2024-11-23 02:38:13,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:38:13,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:38:13,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:38:13,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:38:13,348 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:13,348 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:13,348 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:13,349 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:38:13,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 02:38:13,349 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:38:13,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 02:38:13,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:38:13 BoogieIcfgContainer [2024-11-23 02:38:13,356 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:38:13,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:38:13,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:38:13,357 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:38:13,357 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:12" (3/4) ... [2024-11-23 02:38:13,359 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 02:38:13,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:38:13,361 INFO L158 Benchmark]: Toolchain (without parser) took 1397.17ms. Allocated memory is still 163.6MB. Free memory was 95.4MB in the beginning and 75.1MB in the end (delta: 20.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-23 02:38:13,362 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:13,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.42ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 83.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 02:38:13,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.79ms. Allocated memory is still 163.6MB. Free memory was 83.2MB in the beginning and 81.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:13,363 INFO L158 Benchmark]: Boogie Preprocessor took 20.95ms. Allocated memory is still 163.6MB. Free memory was 81.9MB in the beginning and 80.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:38:13,364 INFO L158 Benchmark]: RCFGBuilder took 213.47ms. Allocated memory is still 163.6MB. Free memory was 80.0MB in the beginning and 133.6MB in the end (delta: -53.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-23 02:38:13,364 INFO L158 Benchmark]: BuchiAutomizer took 943.70ms. Allocated memory is still 163.6MB. Free memory was 133.0MB in the beginning and 75.1MB in the end (delta: 57.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-23 02:38:13,364 INFO L158 Benchmark]: Witness Printer took 3.54ms. Allocated memory is still 163.6MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:13,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.42ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 83.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.79ms. Allocated memory is still 163.6MB. Free memory was 83.2MB in the beginning and 81.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.95ms. Allocated memory is still 163.6MB. Free memory was 81.9MB in the beginning and 80.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 213.47ms. Allocated memory is still 163.6MB. Free memory was 80.0MB in the beginning and 133.6MB in the end (delta: -53.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 943.70ms. Allocated memory is still 163.6MB. Free memory was 133.0MB in the beginning and 75.1MB in the end (delta: 57.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 3.54ms. Allocated memory is still 163.6MB. Free memory is still 75.1MB. 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 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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: 18ms 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! [2024-11-23 02:38:13,386 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 [2024-11-23 02:38:13,589 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