./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/termination.prp --file ../../../trunk/examples/svcomp/termination-bwb/counting-bits-set.i --full-output --cacsl2boogietranslator.use.bitabs.translation false --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 514d202d 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 ../../../trunk/examples/svcomp/termination-bwb/counting-bits-set.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 --cacsl2boogietranslator.use.bitabs.translation false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-514d202-m [2024-02-09 14:18:26,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 14:18:26,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-02-09 14:18:26,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 14:18:26,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 14:18:26,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 14:18:26,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 14:18:26,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 14:18:26,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-09 14:18:26,598 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-09 14:18:26,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 14:18:26,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 14:18:26,599 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 14:18:26,601 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 14:18:26,601 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 14:18:26,601 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 14:18:26,601 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 14:18:26,602 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 14:18:26,603 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 14:18:26,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 14:18:26,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 14:18:26,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 14:18:26,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 14:18:26,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 14:18:26,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 14:18:26,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 14:18:26,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-09 14:18:26,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 14:18:26,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 14:18:26,605 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 14:18:26,606 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 14:18:26,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 14:18:26,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 14:18:26,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 14:18:26,607 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 14:18:26,608 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 14:18:26,608 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0da38f7c0587f92bfa337016cd7efdda7fd5b8088b9cf2496e9fffda1f39f4b4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2024-02-09 14:18:26,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 14:18:26,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 14:18:26,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 14:18:26,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-09 14:18:26,863 INFO L274 PluginConnector]: CDTParser initialized [2024-02-09 14:18:26,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-bwb/counting-bits-set.i [2024-02-09 14:18:27,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-09 14:18:28,060 INFO L384 CDTParser]: Found 1 translation units. [2024-02-09 14:18:28,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-bwb/counting-bits-set.i [2024-02-09 14:18:28,065 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19e03f4d9/78feccfb0d294a38a87aa0b63cf49fc2/FLAG05daacb89 [2024-02-09 14:18:28,153 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19e03f4d9/78feccfb0d294a38a87aa0b63cf49fc2 [2024-02-09 14:18:28,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 14:18:28,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-09 14:18:28,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-09 14:18:28,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-09 14:18:28,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-09 14:18:28,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114b643e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28, skipping insertion in model container [2024-02-09 14:18:28,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-09 14:18:28,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:18:28,271 INFO L202 MainTranslator]: Completed pre-run [2024-02-09 14:18:28,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:18:28,290 INFO L206 MainTranslator]: Completed translation [2024-02-09 14:18:28,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28 WrapperNode [2024-02-09 14:18:28,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-09 14:18:28,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 14:18:28,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 14:18:28,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 14:18:28,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,311 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-02-09 14:18:28,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 14:18:28,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 14:18:28,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 14:18:28,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 14:18:28,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,320 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,324 INFO L175 MemorySlicer]: No memory access in input program. [2024-02-09 14:18:28,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 14:18:28,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 14:18:28,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 14:18:28,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 14:18:28,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (1/1) ... [2024-02-09 14:18:28,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:28,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:28,355 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) [2024-02-09 14:18:28,374 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 [2024-02-09 14:18:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 14:18:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 14:18:28,445 INFO L241 CfgBuilder]: Building ICFG [2024-02-09 14:18:28,452 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 14:18:28,569 INFO L282 CfgBuilder]: Performing block encoding [2024-02-09 14:18:28,576 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 14:18:28,579 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 14:18:28,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:28 BoogieIcfgContainer [2024-02-09 14:18:28,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 14:18:28,580 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 14:18:28,580 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 14:18:28,583 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 14:18:28,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:28,584 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.02 02:18:28" (1/3) ... [2024-02-09 14:18:28,585 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c7d132d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:18:28, skipping insertion in model container [2024-02-09 14:18:28,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:28,586 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:28" (2/3) ... [2024-02-09 14:18:28,587 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c7d132d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:18:28, skipping insertion in model container [2024-02-09 14:18:28,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:28,588 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:28" (3/3) ... [2024-02-09 14:18:28,589 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-set.i [2024-02-09 14:18:28,639 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 14:18:28,640 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 14:18:28,640 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 14:18:28,640 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 14:18:28,640 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 14:18:28,640 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 14:18:28,640 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 14:18:28,640 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 14:18:28,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-02-09 14:18:28,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-02-09 14:18:28,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:28,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:28,669 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 14:18:28,669 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 14:18:28,669 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 14:18:28,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-02-09 14:18:28,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-02-09 14:18:28,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:28,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:28,672 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-02-09 14:18:28,672 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-02-09 14:18:28,680 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~ret3#1, main_#t~ret2#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 11#L12true assume ~v~0 >= 0;~c~0 := 0; 9#L13-4true [2024-02-09 14:18:28,682 INFO L750 eck$LassoCheckResult]: Loop: 9#L13-4true assume true; 4#L13-1true assume !!(0 != ~v~0);~z~0 := main_#t~ret3#1;havoc main_#t~ret3#1;~c~0 := ~c~0 + ~z~0; 7#L13-3true ~v~0 := main_#t~ret2#1;havoc main_#t~ret2#1; 9#L13-4true [2024-02-09 14:18:28,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:28,687 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-02-09 14:18:28,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:28,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904030639] [2024-02-09 14:18:28,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:28,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:28,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:28,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:28,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:28,803 INFO L85 PathProgramCache]: Analyzing trace with hash 38890, now seen corresponding path program 1 times [2024-02-09 14:18:28,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:28,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092121107] [2024-02-09 14:18:28,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:28,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:28,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:28,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:28,828 INFO L85 PathProgramCache]: Analyzing trace with hash 889508777, now seen corresponding path program 1 times [2024-02-09 14:18:28,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:28,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090722038] [2024-02-09 14:18:28,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:28,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:28,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:28,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:29,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:29,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 02:18:29 BoogieIcfgContainer [2024-02-09 14:18:29,050 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 14:18:29,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-09 14:18:29,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-09 14:18:29,051 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-09 14:18:29,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:28" (3/4) ... [2024-02-09 14:18:29,053 INFO L140 WitnessPrinter]: No result that supports witness generation found [2024-02-09 14:18:29,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-09 14:18:29,055 INFO L158 Benchmark]: Toolchain (without parser) took 897.60ms. Allocated memory is still 159.4MB. Free memory was 130.2MB in the beginning and 111.0MB in the end (delta: 19.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-02-09 14:18:29,056 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:29,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 133.60ms. Allocated memory is still 159.4MB. Free memory was 130.2MB in the beginning and 120.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-09 14:18:29,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.91ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 119.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:18:29,058 INFO L158 Benchmark]: Boogie Preprocessor took 18.23ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 117.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:18:29,059 INFO L158 Benchmark]: RCFGBuilder took 248.68ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 108.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-09 14:18:29,059 INFO L158 Benchmark]: BuchiAutomizer took 469.51ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 111.8MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:29,061 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 159.4MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:29,066 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 159.4MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 133.60ms. Allocated memory is still 159.4MB. Free memory was 130.2MB in the beginning and 120.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.91ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 119.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.23ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 117.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.68ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 108.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 469.51ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 111.8MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 159.4MB. Free memory is still 111.0MB. 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 module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. 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: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: v >>= 1 [13] (Reason bitwise operation) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~ret3#1, main_#t~ret2#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume ~v~0 >= 0;~c~0 := 0;" Loop: "assume true;" "assume !!(0 != ~v~0);~z~0 := main_#t~ret3#1;havoc main_#t~ret3#1;~c~0 := ~c~0 + ~z~0;" "~v~0 := main_#t~ret2#1;havoc main_#t~ret2#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2024-02-09 14:18:29,089 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN