./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd --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 b49f3330156f5f80616a8ed1e7cf6e923644f57628dbe3e9e5b48b44602ac1db --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:50:31,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:50:31,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 12:50:31,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:50:31,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:50:31,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:50:31,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:50:31,974 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:50:31,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:50:31,975 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:50:31,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:50:31,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:50:31,976 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:50:31,976 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 12:50:31,976 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 12:50:31,976 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 12:50:31,977 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 12:50:31,977 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 12:50:31,977 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 12:50:31,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:50:31,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 12:50:31,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:50:31,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:50:31,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 12:50:31,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 12:50:31,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 12:50:31,979 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:50:31,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:50:31,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:50:31,979 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 12:50:31,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:50:31,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:50:31,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:50:31,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:50:31,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:50:31,980 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 12:50:31,981 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_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd 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 -> b49f3330156f5f80616a8ed1e7cf6e923644f57628dbe3e9e5b48b44602ac1db [2024-11-13 12:50:32,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:50:32,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:50:32,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:50:32,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:50:32,402 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:50:32,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i Unable to find full path for "g++" [2024-11-13 12:50:34,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:50:35,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:50:35,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i [2024-11-13 12:50:35,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/data/d786d3c3a/034a05244edf4520bb2742f8b6a5b65b/FLAG3f1cec47b [2024-11-13 12:50:35,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/data/d786d3c3a/034a05244edf4520bb2742f8b6a5b65b [2024-11-13 12:50:35,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:50:35,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:50:35,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:50:35,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:50:35,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:50:35,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a4bd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35, skipping insertion in model container [2024-11-13 12:50:35,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:50:35,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:50:35,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:50:35,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:50:35,648 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:50:35,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35 WrapperNode [2024-11-13 12:50:35,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:50:35,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:50:35,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:50:35,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:50:35,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,698 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2024-11-13 12:50:35,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:50:35,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:50:35,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:50:35,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:50:35,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,730 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-13 12:50:35,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:50:35,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:50:35,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:50:35,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:50:35,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (1/1) ... [2024-11-13 12:50:35,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:35,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:35,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:35,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 12:50:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 12:50:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 12:50:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 12:50:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 12:50:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 12:50:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:50:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:50:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:50:35,971 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:50:35,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:50:36,197 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 12:50:36,197 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:50:36,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:50:36,208 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:50:36,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:50:36 BoogieIcfgContainer [2024-11-13 12:50:36,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:50:36,210 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 12:50:36,210 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 12:50:36,216 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 12:50:36,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:50:36,217 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 12:50:35" (1/3) ... [2024-11-13 12:50:36,219 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f9fb7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 12:50:36, skipping insertion in model container [2024-11-13 12:50:36,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:50:36,219 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:50:35" (2/3) ... [2024-11-13 12:50:36,219 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f9fb7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 12:50:36, skipping insertion in model container [2024-11-13 12:50:36,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:50:36,220 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:50:36" (3/3) ... [2024-11-13 12:50:36,221 INFO L333 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncmp-alloca-1.i [2024-11-13 12:50:36,285 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 12:50:36,285 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 12:50:36,285 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 12:50:36,286 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 12:50:36,286 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 12:50:36,286 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 12:50:36,287 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 12:50:36,287 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 12:50:36,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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) [2024-11-13 12:50:36,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 12:50:36,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:50:36,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:50:36,326 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-13 12:50:36,326 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 12:50:36,326 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 12:50:36,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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) [2024-11-13 12:50:36,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 12:50:36,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:50:36,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:50:36,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-13 12:50:36,331 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 12:50:36,341 INFO L745 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet15#1, main_#t~ret16#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet11#1;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 13#L563true assume !(main_~length1~0#1 < 1); 6#L563-2true assume !(main_~length2~0#1 < 1); 14#L566-1true call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);havoc main_#t~nondet15#1;assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet15#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem3#1, cstrncmp_#t~post2#1.base, cstrncmp_#t~post2#1.offset, cstrncmp_#t~mem4#1, cstrncmp_#t~mem6#1, cstrncmp_#t~pre5#1.base, cstrncmp_#t~pre5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~mem9#1, cstrncmp_#t~pre10#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 15#L550true assume !(0 == cstrncmp_~n#1 % 18446744073709551616); 3#L552-3true [2024-11-13 12:50:36,344 INFO L747 eck$LassoCheckResult]: Loop: 3#L552-3true call cstrncmp_#t~mem3#1 := read~int#1(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post2#1.base, cstrncmp_#t~post2#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post2#1.base, 1 + cstrncmp_#t~post2#1.offset;call cstrncmp_#t~mem4#1 := read~int#0(cstrncmp_#t~post2#1.base, cstrncmp_#t~post2#1.offset, 1); 9#L553true assume !(cstrncmp_#t~mem3#1 != cstrncmp_#t~mem4#1);havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~post2#1.base, cstrncmp_#t~post2#1.offset;havoc cstrncmp_#t~mem4#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;call cstrncmp_#t~mem9#1 := read~int#1(cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, 1); 10#L555true assume !(0 == cstrncmp_#t~mem9#1);havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~mem9#1;cstrncmp_#t~pre10#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 8#L552-1true assume !!(0 != cstrncmp_#t~pre10#1 % 18446744073709551616);havoc cstrncmp_#t~pre10#1; 3#L552-3true [2024-11-13 12:50:36,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:36,351 INFO L85 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2024-11-13 12:50:36,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:36,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415517510] [2024-11-13 12:50:36,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:36,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:50:36,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:50:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:50:36,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:50:36,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:36,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1667467, now seen corresponding path program 1 times [2024-11-13 12:50:36,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:36,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719290781] [2024-11-13 12:50:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:50:36,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:50:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:50:36,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:50:36,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:36,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1594142360, now seen corresponding path program 1 times [2024-11-13 12:50:36,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:50:36,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425981640] [2024-11-13 12:50:36,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:50:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:50:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:50:36,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:50:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:50:36,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:50:38,836 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 12:50:38,837 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 12:50:38,837 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 12:50:38,837 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 12:50:38,837 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 12:50:38,837 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:38,837 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 12:50:38,837 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 12:50:38,838 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-1.i_Iteration1_Lasso [2024-11-13 12:50:38,838 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 12:50:38,838 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 12:50:38,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:38,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:38,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:38,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:38,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:38,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:38,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:38,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:38,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:38,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:39,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:50:40,265 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 12:50:40,271 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 12:50:40,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 12:50:40,280 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 [2024-11-13 12:50:40,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:50:40,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:50:40,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:50:40,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:50:40,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 12:50:40,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 12:50:40,339 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 [2024-11-13 12:50:40,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:50:40,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:50:40,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:50:40,362 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:50:40,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-13 12:50:40,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 12:50:40,389 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 [2024-11-13 12:50:40,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:50:40,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:50:40,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:50:40,415 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:50:40,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 12:50:40,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 12:50:40,462 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 [2024-11-13 12:50:40,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:50:40,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:50:40,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:50:40,485 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:50:40,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 12:50:40,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,513 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 12:50:40,517 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 [2024-11-13 12:50:40,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:50:40,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:50:40,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:50:40,538 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:50:40,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 12:50:40,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,564 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 12:50:40,568 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 [2024-11-13 12:50:40,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:50:40,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:50:40,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:50:40,590 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:50:40,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 12:50:40,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,613 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 12:50:40,617 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 [2024-11-13 12:50:40,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:50:40,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:50:40,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:50:40,637 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:50:40,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-13 12:50:40,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,659 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 12:50:40,663 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 [2024-11-13 12:50:40,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:50:40,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:50:40,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:50:40,684 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:50:40,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 12:50:40,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,709 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 12:50:40,714 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 [2024-11-13 12:50:40,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:50:40,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:50:40,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:50:40,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:50:40,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 12:50:40,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,760 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 12:50:40,766 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 [2024-11-13 12:50:40,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:50:40,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:50:40,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:50:40,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:50:40,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:50:40,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:50:40,820 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 12:50:40,880 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-13 12:50:40,883 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-13 12:50:40,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:50:40,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:50:40,892 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:50:40,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 12:50:40,896 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 12:50:40,920 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 12:50:40,921 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 12:50:40,921 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrncmp_~s2#1.base)_1, ULTIMATE.start_cstrncmp_~s2#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrncmp_~s2#1.base)_1 - 1*ULTIMATE.start_cstrncmp_~s2#1.offset Supporting invariants [] [2024-11-13 12:50:40,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-13 12:50:40,998 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-11-13 12:50:41,005 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 12:50:41,006 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 12:50:41,008 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s2!offset [2024-11-13 12:50:41,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:50:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:41,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:50:41,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:50:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:50:41,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 12:50:41,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:50:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:50:41,227 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 12:50:41,230 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-13 12:50:41,301 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 37 transitions. Complement of second has 6 states. [2024-11-13 12:50:41,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 12:50:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-13 12:50:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2024-11-13 12:50:41,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-13 12:50:41,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:50:41,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-13 12:50:41,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:50:41,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-13 12:50:41,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:50:41,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 37 transitions. [2024-11-13 12:50:41,333 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 12:50:41,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2024-11-13 12:50:41,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 12:50:41,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 12:50:41,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 12:50:41,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 12:50:41,339 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:50:41,340 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:50:41,340 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:50:41,340 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 12:50:41,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 12:50:41,340 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 12:50:41,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 12:50:41,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 12:50:41 BoogieIcfgContainer [2024-11-13 12:50:41,352 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 12:50:41,353 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:50:41,353 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:50:41,353 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:50:41,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:50:36" (3/4) ... [2024-11-13 12:50:41,358 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:50:41,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:50:41,360 INFO L158 Benchmark]: Toolchain (without parser) took 6223.55ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 83.9MB in the end (delta: 34.6MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-13 12:50:41,361 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:50:41,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.84ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 102.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:50:41,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.53ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:50:41,361 INFO L158 Benchmark]: Boogie Preprocessor took 49.64ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:50:41,362 INFO L158 Benchmark]: RCFGBuilder took 453.79ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 85.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:50:41,362 INFO L158 Benchmark]: BuchiAutomizer took 5141.98ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 85.0MB in the end (delta: 283.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:50:41,365 INFO L158 Benchmark]: Witness Printer took 6.58ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:50:41,367 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.84ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 102.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.53ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.64ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.79ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 85.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 5141.98ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 85.0MB in the end (delta: 283.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.58ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s2!offset * 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 null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 18 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital221 mio100 ax108 hnf100 lsp84 ukn75 mio100 lsp26 div242 bol100 ite100 ukn100 eq151 hnf96 smp40 dnf100 smp100 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 163ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 12:50:41,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 12:50:41,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513f7de2-3b9e-4f96-9efc-0a68af1e6e38/bin/uautomizer-verify-qhAvR1uOyd/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