./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB --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 bd3dbeb1201d252c8f1e3c61a135802ff8f8ccfcc09353f09b9750e3ee951591 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:20:53,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:20:53,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 05:20:53,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:20:53,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:20:53,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:20:53,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:20:53,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:20:53,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:20:53,839 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:20:53,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:20:53,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:20:53,841 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:20:53,841 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 05:20:53,842 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 05:20:53,842 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 05:20:53,842 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 05:20:53,843 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 05:20:53,843 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 05:20:53,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:20:53,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 05:20:53,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:20:53,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:20:53,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:20:53,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:20:53,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 05:20:53,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 05:20:53,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 05:20:53,844 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:20:53,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:20:53,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:20:53,846 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 05:20:53,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:20:53,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:20:53,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:20:53,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:20:53,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:20:53,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 05:20:53,847 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 05:20:53,847 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB 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 -> bd3dbeb1201d252c8f1e3c61a135802ff8f8ccfcc09353f09b9750e3ee951591 [2024-11-28 05:20:54,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:20:54,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:20:54,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:20:54,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:20:54,245 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:20:54,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/recursive-simple/afterrec-1.c [2024-11-28 05:20:58,085 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/data/9472e76d7/e79e2754d9fe4f37afe773fbfcbeb3dc/FLAG78932218e [2024-11-28 05:20:58,471 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:20:58,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/sv-benchmarks/c/recursive-simple/afterrec-1.c [2024-11-28 05:20:58,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/data/9472e76d7/e79e2754d9fe4f37afe773fbfcbeb3dc/FLAG78932218e [2024-11-28 05:20:58,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/data/9472e76d7/e79e2754d9fe4f37afe773fbfcbeb3dc [2024-11-28 05:20:58,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:20:58,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:20:58,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:20:58,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:20:58,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:20:58,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b56ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58, skipping insertion in model container [2024-11-28 05:20:58,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:20:58,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:20:58,743 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:20:58,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:20:58,779 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:20:58,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58 WrapperNode [2024-11-28 05:20:58,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:20:58,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:20:58,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:20:58,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:20:58,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,822 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-28 05:20:58,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:20:58,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:20:58,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:20:58,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:20:58,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,852 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]. [2024-11-28 05:20:58,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,857 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:20:58,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:20:58,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:20:58,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:20:58,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (1/1) ... [2024-11-28 05:20:58,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:58,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:58,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:58,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 05:20:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:20:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-28 05:20:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-28 05:20:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:20:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:20:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:20:59,044 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:20:59,047 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:20:59,161 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-28 05:20:59,161 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:20:59,172 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:20:59,172 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:20:59,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:20:59 BoogieIcfgContainer [2024-11-28 05:20:59,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:20:59,174 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 05:20:59,174 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 05:20:59,183 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 05:20:59,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:20:59,184 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 05:20:58" (1/3) ... [2024-11-28 05:20:59,185 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a91faf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:20:59, skipping insertion in model container [2024-11-28 05:20:59,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:20:59,185 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:58" (2/3) ... [2024-11-28 05:20:59,186 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a91faf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:20:59, skipping insertion in model container [2024-11-28 05:20:59,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:20:59,186 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:20:59" (3/3) ... [2024-11-28 05:20:59,188 INFO L363 chiAutomizerObserver]: Analyzing ICFG afterrec-1.c [2024-11-28 05:20:59,257 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 05:20:59,257 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 05:20:59,257 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 05:20:59,258 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 05:20:59,258 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 05:20:59,258 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 05:20:59,258 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 05:20:59,258 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 05:20:59,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:20:59,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 05:20:59,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:20:59,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:20:59,293 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 05:20:59,294 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 05:20:59,294 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 05:20:59,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:20:59,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 05:20:59,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:20:59,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:20:59,296 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 05:20:59,296 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 05:20:59,305 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;" "call f(4);"< [2024-11-28 05:20:59,305 INFO L749 eck$LassoCheckResult]: Loop: "~n#1 := #in~n#1;" "assume !(~n#1 < 3);#t~post4#1 := ~n#1;~n#1 := #t~post4#1 - 1;havoc #t~post4#1;" "call f(~n#1);"< [2024-11-28 05:20:59,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:59,313 INFO L85 PathProgramCache]: Analyzing trace with hash 40785, now seen corresponding path program 1 times [2024-11-28 05:20:59,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:59,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194067557] [2024-11-28 05:20:59,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:59,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:59,426 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:59,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:59,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:59,473 INFO L85 PathProgramCache]: Analyzing trace with hash 29933, now seen corresponding path program 1 times [2024-11-28 05:20:59,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:59,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318250061] [2024-11-28 05:20:59,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:59,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:59,497 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:59,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:59,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:59,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1215026077, now seen corresponding path program 1 times [2024-11-28 05:20:59,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:20:59,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777312104] [2024-11-28 05:20:59,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:59,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:59,538 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:20:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:20:59,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:20:59,744 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:59,745 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:59,745 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:59,746 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:59,746 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 05:20:59,746 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:59,747 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:59,750 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:59,750 INFO L132 ssoRankerPreferences]: Filename of dumped script: afterrec-1.c_Iteration1_Loop [2024-11-28 05:20:59,750 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:59,750 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:59,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:59,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:59,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:20:59,863 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:20:59,864 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 05:20:59,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:59,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:59,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:59,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 05:20:59,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:59,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 05:20:59,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 05:20:59,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:59,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:59,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:59,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 05:20:59,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 05:20:59,911 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 05:20:59,986 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 05:20:59,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 05:20:59,990 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:20:59,990 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:20:59,990 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:20:59,990 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:20:59,990 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:20:59,990 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:20:59,990 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:20:59,990 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:20:59,990 INFO L132 ssoRankerPreferences]: Filename of dumped script: afterrec-1.c_Iteration1_Loop [2024-11-28 05:20:59,991 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:20:59,991 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:20:59,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:21:00,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:21:00,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:21:00,064 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:21:00,070 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:21:00,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:21:00,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:21:00,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:21:00,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 05:21:00,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 05:21:00,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:21:00,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:21:00,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:21:00,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:21:00,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:21:00,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:21:00,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:21:00,112 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:21:00,121 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 05:21:00,125 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 05:21:00,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:21:00,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:21:00,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:21:00,135 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:21:00,135 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 05:21:00,136 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:21:00,136 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~n#1) = 1*f_#in~n#1 Supporting invariants [] [2024-11-28 05:21:00,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 05:21:00,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 05:21:00,153 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 05:21:00,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:00,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:21:00,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:00,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:21:00,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:21:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:21:00,390 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 05:21:00,393 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:21:00,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 05:21:00,622 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 41 transitions. Complement of second has 23 states. [2024-11-28 05:21:00,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-28 05:21:00,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:21:00,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 17 transitions. [2024-11-28 05:21:00,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-28 05:21:00,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:21:00,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-28 05:21:00,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:21:00,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-28 05:21:00,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:21:00,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 41 transitions. [2024-11-28 05:21:00,660 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:21:00,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2024-11-28 05:21:00,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 05:21:00,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 05:21:00,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 05:21:00,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 05:21:00,666 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:21:00,666 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:21:00,666 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:21:00,666 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 05:21:00,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:21:00,667 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:21:00,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 05:21:00,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 05:21:00 BoogieIcfgContainer [2024-11-28 05:21:00,685 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 05:21:00,686 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:21:00,686 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:21:00,686 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:21:00,689 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:20:59" (3/4) ... [2024-11-28 05:21:00,693 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:21:00,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:21:00,696 INFO L158 Benchmark]: Toolchain (without parser) took 2192.05ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 87.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-28 05:21:00,699 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:00,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.76ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 82.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:21:00,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.20ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:00,700 INFO L158 Benchmark]: Boogie Preprocessor took 43.23ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 949.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:00,702 INFO L158 Benchmark]: RCFGBuilder took 305.52ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 71.8MB in the end (delta: 8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:00,702 INFO L158 Benchmark]: BuchiAutomizer took 1510.75ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 87.5MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:00,703 INFO L158 Benchmark]: Witness Printer took 9.17ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 87.5MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:21:00,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.76ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 82.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.20ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.23ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 949.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.52ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 71.8MB in the end (delta: 8.2MB). There was no memory consumed. Max. memory is 16.1GB. * BuchiAutomizer took 1510.75ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 87.5MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.17ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 87.5MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 5 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 64ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 05:21:00,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8d49b3-dc9b-4743-bf38-ac045b44cfff/bin/uautomizer-verify-aQ6SnzHsRB/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 Result: TRUE