./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b49f3330156f5f80616a8ed1e7cf6e923644f57628dbe3e9e5b48b44602ac1db --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:16:24,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:16:24,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-15 00:16:24,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:16:24,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:16:24,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:16:24,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:16:24,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:16:24,948 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:16:24,949 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:16:24,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:16:24,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:16:24,951 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:16:24,952 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:16:24,955 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:16:24,955 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:16:24,956 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:16:24,956 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:16:24,956 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:16:24,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:16:24,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:16:24,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:16:24,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:16:24,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:16:24,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:16:24,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:16:24,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:16:24,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:16:24,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:16:24,958 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:16:24,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:16:24,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:16:24,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:16:24,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:16:24,960 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:16:24,961 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:16:24,962 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b49f3330156f5f80616a8ed1e7cf6e923644f57628dbe3e9e5b48b44602ac1db [2024-10-15 00:16:25,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:16:25,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:16:25,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:16:25,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:16:25,247 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:16:25,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i [2024-10-15 00:16:26,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:16:26,945 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:16:26,946 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca-1.i [2024-10-15 00:16:26,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ff3c23a/a51052155357403b97e73af9f9e3c91a/FLAGd97e22cd3 [2024-10-15 00:16:26,972 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ff3c23a/a51052155357403b97e73af9f9e3c91a [2024-10-15 00:16:26,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:16:26,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:16:26,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:16:26,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:16:26,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:16:26,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:16:26" (1/1) ... [2024-10-15 00:16:26,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c696977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:26, skipping insertion in model container [2024-10-15 00:16:26,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:16:26" (1/1) ... [2024-10-15 00:16:27,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:16:27,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:16:27,345 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:16:27,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:16:27,412 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:16:27,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27 WrapperNode [2024-10-15 00:16:27,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:16:27,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:16:27,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:16:27,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:16:27,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,462 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2024-10-15 00:16:27,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:16:27,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:16:27,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:16:27,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:16:27,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,497 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [4, 3]. 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]. [2024-10-15 00:16:27,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:16:27,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:16:27,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:16:27,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:16:27,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (1/1) ... [2024-10-15 00:16:27,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:27,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:27,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:27,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-15 00:16:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 00:16:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-15 00:16:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 00:16:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-15 00:16:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 00:16:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 00:16:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:16:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:16:27,729 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:16:27,732 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:16:27,911 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-15 00:16:27,911 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:16:27,928 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:16:27,929 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 00:16:27,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:16:27 BoogieIcfgContainer [2024-10-15 00:16:27,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:16:27,931 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:16:27,931 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:16:27,934 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:16:27,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:16:27,935 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:16:26" (1/3) ... [2024-10-15 00:16:27,936 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@731de1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:16:27, skipping insertion in model container [2024-10-15 00:16:27,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:16:27,936 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:27" (2/3) ... [2024-10-15 00:16:27,937 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@731de1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:16:27, skipping insertion in model container [2024-10-15 00:16:27,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:16:27,937 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:16:27" (3/3) ... [2024-10-15 00:16:27,938 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncmp-alloca-1.i [2024-10-15 00:16:27,985 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:16:27,985 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:16:27,985 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:16:27,986 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:16:27,986 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:16:27,986 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:16:27,986 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:16:27,986 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:16:28,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2024-10-15 00:16:28,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:16:28,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:16:28,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:16:28,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:16:28,063 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-15 00:16:28,063 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:16:28,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2024-10-15 00:16:28,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:16:28,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:16:28,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:16:28,065 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:16:28,065 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-15 00:16:28,073 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4#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; 14#L563true assume !(main_~length1~0#1 < 1); 5#L563-2true assume !(main_~length2~0#1 < 1); 15#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#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(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; 16#L550true assume !(0 == cstrncmp_~n#1 % 18446744073709551616); 3#L552-4true [2024-10-15 00:16:28,074 INFO L747 eck$LassoCheckResult]: Loop: 3#L552-4true call cstrncmp_#t~mem3#1 := read~int#0(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#1(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#0(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; 7#L552-1true cstrncmp_#t~pre10#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 8#L552-2true assume !!(0 != cstrncmp_#t~pre10#1 % 18446744073709551616);havoc cstrncmp_#t~pre10#1; 3#L552-4true [2024-10-15 00:16:28,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:16:28,080 INFO L85 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2024-10-15 00:16:28,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:16:28,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393266378] [2024-10-15 00:16:28,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:16:28,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:16:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:16:28,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:16:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:16:28,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:16:28,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:16:28,319 INFO L85 PathProgramCache]: Analyzing trace with hash 51691425, now seen corresponding path program 1 times [2024-10-15 00:16:28,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:16:28,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736482439] [2024-10-15 00:16:28,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:16:28,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:16:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:16:28,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:16:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:16:28,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:16:28,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:16:28,394 INFO L85 PathProgramCache]: Analyzing trace with hash -2121194444, now seen corresponding path program 1 times [2024-10-15 00:16:28,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:16:28,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539465864] [2024-10-15 00:16:28,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:16:28,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:16:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:16:28,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:16:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:16:28,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:16:29,706 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:16:29,707 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:16:29,707 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:16:29,707 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:16:29,708 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:16:29,708 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:29,708 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:16:29,708 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:16:29,708 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-1.i_Iteration1_Lasso [2024-10-15 00:16:29,708 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:16:29,708 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:16:29,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:29,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:16:30,616 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:16:30,622 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:16:30,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,625 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-15 00:16:30,628 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 [2024-10-15 00:16:30,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:16:30,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:16:30,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:16:30,650 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:30,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-15 00:16:30,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-15 00:16:30,672 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 [2024-10-15 00:16:30,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:16:30,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:16:30,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:16:30,691 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:30,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-15 00:16:30,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,710 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-15 00:16:30,712 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 [2024-10-15 00:16:30,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:16:30,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:16:30,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:16:30,734 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:30,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-15 00:16:30,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-15 00:16:30,754 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 [2024-10-15 00:16:30,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:16:30,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:16:30,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:16:30,769 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:30,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-15 00:16:30,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,786 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-15 00:16:30,788 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 [2024-10-15 00:16:30,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:16:30,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:16:30,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:16:30,807 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:30,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-15 00:16:30,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-15 00:16:30,823 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 [2024-10-15 00:16:30,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:16:30,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:16:30,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:16:30,842 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:30,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-15 00:16:30,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,860 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-15 00:16:30,862 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 [2024-10-15 00:16:30,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:16:30,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:16:30,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:16:30,878 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:30,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-15 00:16:30,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,896 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-15 00:16:30,898 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 [2024-10-15 00:16:30,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:16:30,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:16:30,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:16:30,919 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:30,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-15 00:16:30,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,937 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-15 00:16:30,940 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 [2024-10-15 00:16:30,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:16:30,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:16:30,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:16:30,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:30,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-15 00:16:30,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:30,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:30,975 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:30,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-15 00:16:30,978 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 [2024-10-15 00:16:30,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:30,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:30,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:30,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:30,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:16:30,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:16:30,998 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:16:31,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-15 00:16:31,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:31,016 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:31,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-15 00:16:31,019 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 [2024-10-15 00:16:31,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:16:31,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:16:31,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:16:31,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:16:31,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:16:31,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:16:31,047 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:16:31,086 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-10-15 00:16:31,087 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-10-15 00:16:31,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:16:31,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:16:31,148 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:16:31,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-15 00:16:31,150 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:16:31,165 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-15 00:16:31,168 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:16:31,169 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 [] [2024-10-15 00:16:31,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-15 00:16:31,220 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-10-15 00:16:31,226 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-15 00:16:31,227 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-15 00:16:31,228 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s2!offset [2024-10-15 00:16:31,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:16:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:16:31,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:16:31,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:16:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:16:31,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-15 00:16:31,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:16:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:16:31,393 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 [2024-10-15 00:16:31,395 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-15 00:16:31,441 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 33 states and 39 transitions. Complement of second has 6 states. [2024-10-15 00:16:31,444 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 [2024-10-15 00:16:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-15 00:16:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2024-10-15 00:16:31,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 6 letters. Loop has 5 letters. [2024-10-15 00:16:31,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:16:31,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 11 letters. Loop has 5 letters. [2024-10-15 00:16:31,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:16:31,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 6 letters. Loop has 10 letters. [2024-10-15 00:16:31,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:16:31,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2024-10-15 00:16:31,459 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:16:31,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2024-10-15 00:16:31,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:16:31,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:16:31,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:16:31,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:16:31,464 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:16:31,464 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:16:31,465 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:16:31,465 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:16:31,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-15 00:16:31,465 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:16:31,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-15 00:16:31,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:16:31 BoogieIcfgContainer [2024-10-15 00:16:31,473 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:16:31,474 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:16:31,474 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:16:31,474 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:16:31,475 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:16:27" (3/4) ... [2024-10-15 00:16:31,476 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-15 00:16:31,477 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:16:31,478 INFO L158 Benchmark]: Toolchain (without parser) took 4501.41ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 92.9MB in the end (delta: 12.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-10-15 00:16:31,478 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 121.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:16:31,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.47ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 87.3MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 00:16:31,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.74ms. Allocated memory is still 174.1MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:16:31,479 INFO L158 Benchmark]: Boogie Preprocessor took 50.49ms. Allocated memory is still 174.1MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:16:31,480 INFO L158 Benchmark]: RCFGBuilder took 414.66ms. Allocated memory is still 174.1MB. Free memory was 83.1MB in the beginning and 68.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 00:16:31,480 INFO L158 Benchmark]: BuchiAutomizer took 3541.87ms. Allocated memory is still 174.1MB. Free memory was 68.9MB in the beginning and 92.9MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:16:31,480 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 174.1MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:16:31,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 121.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.47ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 87.3MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.74ms. Allocated memory is still 174.1MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.49ms. Allocated memory is still 174.1MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.66ms. Allocated memory is still 174.1MB. Free memory was 83.1MB in the beginning and 68.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3541.87ms. Allocated memory is still 174.1MB. Free memory was 68.9MB in the beginning and 92.9MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 174.1MB. Free memory is still 92.9MB. 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 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. 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, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 19 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: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 0 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! [2024-10-15 00:16:31,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-15 00:16:31,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE