./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/jain_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/jain_2-1.c -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 92241f3227c0a2a678e533c7e4602bca2cd56efbb9188155527144a0988b4416 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:45:11,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:45:11,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 22:45:11,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:45:11,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:45:11,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:45:11,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:45:11,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:45:11,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:45:11,695 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:45:11,695 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:45:11,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:45:11,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:45:11,696 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:45:11,696 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:45:11,696 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:45:11,697 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:45:11,697 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:45:11,697 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:45:11,697 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:45:11,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:45:11,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:45:11,701 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:45:11,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:45:11,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:45:11,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:45:11,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:45:11,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:45:11,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:45:11,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:45:11,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:45:11,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:45:11,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:45:11,703 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:45:11,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:45:11,703 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:45:11,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:45:11,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:45:11,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:45:11,704 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:45:11,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92241f3227c0a2a678e533c7e4602bca2cd56efbb9188155527144a0988b4416 [2024-11-10 22:45:11,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:45:11,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:45:11,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:45:11,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:45:11,976 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:45:11,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_2-1.c [2024-11-10 22:45:13,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:45:13,379 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:45:13,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_2-1.c [2024-11-10 22:45:13,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9edeb7c00/baa04a6d589c4fdab7d8a503583a883d/FLAGe5df19ac0 [2024-11-10 22:45:13,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9edeb7c00/baa04a6d589c4fdab7d8a503583a883d [2024-11-10 22:45:13,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:45:13,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:45:13,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:45:13,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:45:13,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:45:13,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4198ca33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13, skipping insertion in model container [2024-11-10 22:45:13,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:45:13,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:45:13,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:45:13,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:45:13,600 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:45:13,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13 WrapperNode [2024-11-10 22:45:13,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:45:13,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:45:13,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:45:13,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:45:13,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,622 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-11-10 22:45:13,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:45:13,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:45:13,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:45:13,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:45:13,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,641 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]. [2024-11-10 22:45:13,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,643 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:45:13,646 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:45:13,646 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:45:13,646 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:45:13,647 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (1/1) ... [2024-11-10 22:45:13,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:13,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:13,671 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) [2024-11-10 22:45:13,676 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 [2024-11-10 22:45:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:45:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:45:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:45:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:45:13,758 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:45:13,759 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:45:13,833 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-10 22:45:13,833 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:45:13,842 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:45:13,842 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:45:13,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:13 BoogieIcfgContainer [2024-11-10 22:45:13,843 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:45:13,843 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:45:13,844 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:45:13,851 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:45:13,851 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:45:13,851 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:45:13" (1/3) ... [2024-11-10 22:45:13,852 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@510dc773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:45:13, skipping insertion in model container [2024-11-10 22:45:13,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:45:13,852 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:13" (2/3) ... [2024-11-10 22:45:13,853 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@510dc773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:45:13, skipping insertion in model container [2024-11-10 22:45:13,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:45:13,853 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:13" (3/3) ... [2024-11-10 22:45:13,854 INFO L332 chiAutomizerObserver]: Analyzing ICFG jain_2-1.c [2024-11-10 22:45:13,935 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:45:13,948 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:45:13,948 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:45:13,948 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:45:13,948 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:45:13,949 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:45:13,949 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:45:13,951 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:45:13,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:13,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 22:45:13,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:13,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:13,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:45:13,974 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:13,975 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:45:13,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:13,976 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 22:45:13,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:13,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:13,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:45:13,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:13,982 INFO L745 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue 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(11, 2);call #Ultimate.allocInit(12, 3); 7#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := 1;main_~y~0#1 := 1; 8#L27true [2024-11-10 22:45:13,982 INFO L747 eck$LassoCheckResult]: Loop: 8#L27true assume true; 11#L27-1true assume !false;havoc main_#t~nondet4#1;main_~x~0#1 := main_~x~0#1 + 2 * main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~y~0#1 := main_~y~0#1 + 2 * main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 != (main_~x~0#1 + main_~y~0#1) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10#L15true assume !(0 == __VERIFIER_assert_~cond#1); 4#L18true assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 8#L27true [2024-11-10 22:45:13,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:13,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1472, now seen corresponding path program 1 times [2024-11-10 22:45:13,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:13,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894042829] [2024-11-10 22:45:13,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:13,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:14,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:14,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:14,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:14,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1322587, now seen corresponding path program 1 times [2024-11-10 22:45:14,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:14,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947568009] [2024-11-10 22:45:14,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:14,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:14,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:14,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:14,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1359821978, now seen corresponding path program 1 times [2024-11-10 22:45:14,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:14,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139947659] [2024-11-10 22:45:14,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:14,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:14,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:14,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:14,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:14,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:45:14 BoogieIcfgContainer [2024-11-10 22:45:14,414 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:45:14,415 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:45:14,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:45:14,415 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:45:14,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:13" (3/4) ... [2024-11-10 22:45:14,417 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 22:45:14,451 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:45:14,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:45:14,455 INFO L158 Benchmark]: Toolchain (without parser) took 1044.68ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 96.3MB in the end (delta: 27.1MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-11-10 22:45:14,455 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:45:14,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.47ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 110.8MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 22:45:14,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.56ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 109.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:45:14,458 INFO L158 Benchmark]: Boogie Preprocessor took 21.15ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 108.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:45:14,459 INFO L158 Benchmark]: IcfgBuilder took 197.12ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 98.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 22:45:14,459 INFO L158 Benchmark]: BuchiAutomizer took 570.73ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 98.5MB in the end (delta: -1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:45:14,459 INFO L158 Benchmark]: Witness Printer took 38.47ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 96.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:45:14,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.47ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 110.8MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.56ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 109.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.15ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 108.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 197.12ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 98.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 570.73ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 98.5MB in the end (delta: -1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.47ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 96.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. 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 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. 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: 27]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L22] unsigned int x,y; [L24] x = 1U [L25] y = 1U VAL [x=1, y=1] Loop: [L27] COND TRUE 1 [L29] x = x +2U*__VERIFIER_nondet_uint() [L30] y = y +2U*__VERIFIER_nondet_uint() [L33] CALL __VERIFIER_assert(x+y!=1U) [L15] COND FALSE !(!(cond)) [L33] RET __VERIFIER_assert(x+y!=1U) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 27]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L22] unsigned int x,y; [L24] x = 1U [L25] y = 1U VAL [x=1, y=1] Loop: [L27] COND TRUE 1 [L29] x = x +2U*__VERIFIER_nondet_uint() [L30] y = y +2U*__VERIFIER_nondet_uint() [L33] CALL __VERIFIER_assert(x+y!=1U) [L15] COND FALSE !(!(cond)) [L33] RET __VERIFIER_assert(x+y!=1U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 22:45:14,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)