./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:40:13,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:40:13,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:40:13,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:40:13,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:40:13,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:40:13,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:40:13,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:40:13,974 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:40:13,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:40:13,975 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:40:13,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:40:13,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:40:13,975 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:40:13,975 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:40:13,976 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:40:13,976 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:40:13,976 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:40:13,976 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:40:13,976 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:40:13,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:40:13,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:40:13,977 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:40:13,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:40:13,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:40:13,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:40:13,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:40:13,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:40:13,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:40:13,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:40:13,978 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:40:13,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:40:13,978 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:40:13,978 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:40:13,978 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:40:13,978 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:40:13,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:40:13,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:40:13,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:40:13,979 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:40:13,979 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 [2025-02-08 14:40:14,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:40:14,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:40:14,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:40:14,275 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:40:14,275 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:40:14,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2025-02-08 14:40:15,492 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b34636cf/f3c4fce7c814478d9e78ac120d1643f3/FLAGd57ce9253 [2025-02-08 14:40:15,805 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:40:15,806 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2025-02-08 14:40:15,815 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b34636cf/f3c4fce7c814478d9e78ac120d1643f3/FLAGd57ce9253 [2025-02-08 14:40:16,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b34636cf/f3c4fce7c814478d9e78ac120d1643f3 [2025-02-08 14:40:16,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:40:16,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:40:16,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:40:16,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:40:16,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:40:16,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54657d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16, skipping insertion in model container [2025-02-08 14:40:16,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:40:16,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:40:16,266 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:40:16,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:40:16,295 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:40:16,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16 WrapperNode [2025-02-08 14:40:16,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:40:16,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:40:16,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:40:16,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:40:16,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,328 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 44 [2025-02-08 14:40:16,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:40:16,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:40:16,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:40:16,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:40:16,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,337 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,349 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]. [2025-02-08 14:40:16,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:40:16,363 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:40:16,363 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:40:16,363 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:40:16,366 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (1/1) ... [2025-02-08 14:40:16,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:40:16,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:40:16,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-08 14:40:16,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-08 14:40:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:40:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:40:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:40:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:40:16,487 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:40:16,489 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:40:16,591 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-08 14:40:16,592 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:40:16,600 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:40:16,601 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:40:16,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:40:16 BoogieIcfgContainer [2025-02-08 14:40:16,601 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:40:16,602 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:40:16,602 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:40:16,607 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:40:16,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:40:16,608 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:40:16" (1/3) ... [2025-02-08 14:40:16,609 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6427e2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:40:16, skipping insertion in model container [2025-02-08 14:40:16,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:40:16,609 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:40:16" (2/3) ... [2025-02-08 14:40:16,609 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6427e2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:40:16, skipping insertion in model container [2025-02-08 14:40:16,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:40:16,609 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:40:16" (3/3) ... [2025-02-08 14:40:16,610 INFO L363 chiAutomizerObserver]: Analyzing ICFG mine2017-ex4.7.i [2025-02-08 14:40:16,656 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:40:16,656 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:40:16,656 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:40:16,656 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:40:16,656 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:40:16,656 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:40:16,656 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:40:16,656 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:40:16,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2025-02-08 14:40:16,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2025-02-08 14:40:16,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:40:16,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:40:16,672 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:40:16,672 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:40:16,672 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:40:16,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2025-02-08 14:40:16,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2025-02-08 14:40:16,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:40:16,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:40:16,673 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:40:16,673 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:40:16,678 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~post3#1, main_~x~0#1;main_~x~0#1 := 0;" [2025-02-08 14:40:16,678 INFO L754 eck$LassoCheckResult]: Loop: "assume true;havoc main_#t~nondet1#1;assume 0 == main_#t~nondet1#1 || 1 == main_#t~nondet1#1;" "assume 0 == (if main_#t~nondet1#1 % 256 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 256 % 4294967296 else main_#t~nondet1#1 % 256 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~x~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;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;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet2#1;assume 0 == main_#t~nondet2#1 || 1 == main_#t~nondet2#1;" "assume !(0 == (if main_#t~nondet2#1 % 256 % 4294967296 <= 2147483647 then main_#t~nondet2#1 % 256 % 4294967296 else main_#t~nondet2#1 % 256 % 4294967296 - 4294967296));havoc main_#t~nondet2#1;" [2025-02-08 14:40:16,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:40:16,682 INFO L85 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2025-02-08 14:40:16,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:40:16,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517856061] [2025-02-08 14:40:16,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:40:16,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:40:16,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:40:16,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:40:16,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:40:16,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:40:16,754 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:40:16,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:40:16,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:40:16,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:40:16,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:40:16,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:40:16,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:40:16,780 INFO L85 PathProgramCache]: Analyzing trace with hash -506752018, now seen corresponding path program 1 times [2025-02-08 14:40:16,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:40:16,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817894102] [2025-02-08 14:40:16,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:40:16,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:40:16,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 14:40:16,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 14:40:16,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:40:16,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:40:16,809 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:40:16,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 14:40:16,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 14:40:16,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:40:16,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:40:16,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:40:16,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:40:16,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1667882521, now seen corresponding path program 1 times [2025-02-08 14:40:16,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:40:16,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172150103] [2025-02-08 14:40:16,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:40:16,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:40:16,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 14:40:16,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 14:40:16,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:40:16,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:40:16,864 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:40:16,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 14:40:16,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 14:40:16,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:40:16,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:40:16,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:40:17,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:40:17,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:40:17,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:40:17,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:40:17,166 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:40:17,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:40:17,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:40:17,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:40:17,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:40:17,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:40:17 BoogieIcfgContainer [2025-02-08 14:40:17,191 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:40:17,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:40:17,192 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:40:17,192 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:40:17,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:40:16" (3/4) ... [2025-02-08 14:40:17,194 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-08 14:40:17,219 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 14:40:17,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:40:17,223 INFO L158 Benchmark]: Toolchain (without parser) took 1132.73ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 53.9MB in the end (delta: 52.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-08 14:40:17,223 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:40:17,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.07ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 95.8MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:40:17,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.53ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 93.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:40:17,225 INFO L158 Benchmark]: Boogie Preprocessor took 33.04ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.9MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:40:17,225 INFO L158 Benchmark]: IcfgBuilder took 238.14ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 82.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:40:17,226 INFO L158 Benchmark]: BuchiAutomizer took 589.42ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 57.0MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 14:40:17,226 INFO L158 Benchmark]: Witness Printer took 27.81ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:40:17,228 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.07ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 95.8MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.53ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 93.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.04ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.9MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 238.14ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 82.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 589.42ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 57.0MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 27.81ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.9MB in the end (delta: 2.1MB). 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 17]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L16] int x = 0; VAL [x=0] Loop: [L17] COND TRUE __VERIFIER_nondet_bool() == 0 [L17] COND TRUE __VERIFIER_nondet_bool() == 0 [L18] CALL __VERIFIER_assert(0 <= x) [L13] COND FALSE !(!(cond)) [L18] RET __VERIFIER_assert(0 <= x) [L19] CALL __VERIFIER_assert(x <= 40) [L13] COND FALSE !(!(cond)) [L19] RET __VERIFIER_assert(x <= 40) [L20] COND FALSE !(__VERIFIER_nondet_bool() == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 17]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L16] int x = 0; VAL [x=0] Loop: [L17] COND TRUE __VERIFIER_nondet_bool() == 0 [L17] COND TRUE __VERIFIER_nondet_bool() == 0 [L18] CALL __VERIFIER_assert(0 <= x) [L13] COND FALSE !(!(cond)) [L18] RET __VERIFIER_assert(0 <= x) [L19] CALL __VERIFIER_assert(x <= 40) [L13] COND FALSE !(!(cond)) [L19] RET __VERIFIER_assert(x <= 40) [L20] COND FALSE !(__VERIFIER_nondet_bool() == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-08 14:40:17,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)