./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_cstrncpy-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d 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_cstrncpy-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 a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:02:46,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:02:46,413 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-13 17:02:46,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:02:46,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:02:46,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:02:46,457 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:02:46,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:02:46,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:02:46,462 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:02:46,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:02:46,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:02:46,463 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:02:46,463 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:02:46,464 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:02:46,464 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:02:46,464 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:02:46,464 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:02:46,465 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:02:46,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:02:46,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:02:46,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:02:46,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:02:46,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:02:46,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:02:46,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:02:46,477 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:02:46,477 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:02:46,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:02:46,478 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:02:46,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:02:46,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:02:46,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:02:46,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:02:46,480 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:02:46,481 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:02:46,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b [2024-10-13 17:02:46,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:02:46,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:02:46,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:02:46,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:02:46,775 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:02:46,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2024-10-13 17:02:48,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:02:48,474 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:02:48,477 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2024-10-13 17:02:48,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f18d6c8c/27775828dda747c2bdbb3b079e5f5b46/FLAG0e7d70a73 [2024-10-13 17:02:48,512 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f18d6c8c/27775828dda747c2bdbb3b079e5f5b46 [2024-10-13 17:02:48,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:02:48,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:02:48,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:02:48,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:02:48,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:02:48,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:48,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246db299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48, skipping insertion in model container [2024-10-13 17:02:48,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:48,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:02:48,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:02:48,861 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:02:48,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:02:48,939 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:02:48,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48 WrapperNode [2024-10-13 17:02:48,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:02:48,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:02:48,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:02:48,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:02:48,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:48,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:48,983 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-10-13 17:02:48,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:02:48,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:02:48,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:02:48,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:02:48,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:48,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:48,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:49,009 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 3 writes are split as follows [1, 2]. [2024-10-13 17:02:49,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:49,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:49,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:49,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:49,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:49,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:49,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:02:49,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:02:49,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:02:49,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:02:49,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (1/1) ... [2024-10-13 17:02:49,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:49,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:49,059 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) [2024-10-13 17:02:49,062 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 [2024-10-13 17:02:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 17:02:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 17:02:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 17:02:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 17:02:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 17:02:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 17:02:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:02:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:02:49,244 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:02:49,246 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:02:49,424 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-13 17:02:49,424 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:02:49,441 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:02:49,441 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:02:49,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:02:49 BoogieIcfgContainer [2024-10-13 17:02:49,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:02:49,442 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:02:49,442 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:02:49,449 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:02:49,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:02:49,451 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:02:48" (1/3) ... [2024-10-13 17:02:49,452 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3699a36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:02:49, skipping insertion in model container [2024-10-13 17:02:49,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:02:49,452 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:48" (2/3) ... [2024-10-13 17:02:49,452 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3699a36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:02:49, skipping insertion in model container [2024-10-13 17:02:49,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:02:49,453 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:02:49" (3/3) ... [2024-10-13 17:02:49,454 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncpy-alloca-1.i [2024-10-13 17:02:49,512 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:02:49,513 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:02:49,513 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:02:49,513 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:02:49,513 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:02:49,513 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:02:49,514 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:02:49,514 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:02:49,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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) [2024-10-13 17:02:49,537 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-13 17:02:49,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:02:49,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:02:49,543 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-13 17:02:49,543 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 17:02:49,543 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:02:49,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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) [2024-10-13 17:02:49,545 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-13 17:02:49,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:02:49,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:02:49,547 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-13 17:02:49,547 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 17:02:49,554 INFO L745 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 10#L566true assume !(main_~length~0#1 < 1); 13#L566-2true assume !(main_~n~0#1 < 1); 5#L569-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post2#1.base, cstrncpy_#t~post2#1.offset, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~mem4#1, cstrncpy_#t~pre5#1, cstrncpy_#t~post6#1.base, cstrncpy_#t~post6#1.offset, cstrncpy_#t~pre7#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 16#L550true assume 0 != cstrncpy_~n#1 % 18446744073709551616;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 14#L553-4true [2024-10-13 17:02:49,555 INFO L747 eck$LassoCheckResult]: Loop: 14#L553-4true cstrncpy_#t~post2#1.base, cstrncpy_#t~post2#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post2#1.base, 1 + cstrncpy_#t~post2#1.offset;cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;call cstrncpy_#t~mem4#1 := read~int#0(cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1);call write~int#1(cstrncpy_#t~mem4#1, cstrncpy_#t~post2#1.base, cstrncpy_#t~post2#1.offset, 1); 18#L554true assume !(0 == cstrncpy_#t~mem4#1);havoc cstrncpy_#t~post2#1.base, cstrncpy_#t~post2#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~mem4#1; 9#L553-1true cstrncpy_#t~pre7#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 6#L553-2true assume !!(0 != cstrncpy_#t~pre7#1 % 18446744073709551616);havoc cstrncpy_#t~pre7#1; 14#L553-4true [2024-10-13 17:02:49,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:49,561 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2024-10-13 17:02:49,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:49,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424579063] [2024-10-13 17:02:49,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:49,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:49,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:49,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:49,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:49,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2024-10-13 17:02:49,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:49,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743977973] [2024-10-13 17:02:49,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:49,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:49,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:49,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:49,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:49,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2024-10-13 17:02:49,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:49,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550701546] [2024-10-13 17:02:49,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:49,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:49,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:50,962 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:02:50,963 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:02:50,964 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:02:50,964 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:02:50,964 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:02:50,964 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:50,964 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:02:50,964 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:02:50,965 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-1.i_Iteration1_Lasso [2024-10-13 17:02:50,965 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:02:50,965 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:02:50,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:50,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:50,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:50,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:51,961 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:02:51,965 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:02:51,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:51,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:51,969 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) [2024-10-13 17:02:51,971 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 [2024-10-13 17:02:51,972 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 [2024-10-13 17:02:51,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:51,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:51,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:51,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:51,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:51,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:51,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:51,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:52,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:52,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:52,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:52,012 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) [2024-10-13 17:02:52,014 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 [2024-10-13 17:02:52,015 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 [2024-10-13 17:02:52,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:52,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:52,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:52,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:52,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:52,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:52,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:52,030 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:52,045 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 [2024-10-13 17:02:52,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:52,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:52,048 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) [2024-10-13 17:02:52,050 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 [2024-10-13 17:02:52,052 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 [2024-10-13 17:02:52,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:52,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:52,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:52,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:52,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:52,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:52,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:52,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:52,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-13 17:02:52,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:52,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:52,089 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) [2024-10-13 17:02:52,090 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 [2024-10-13 17:02:52,092 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 [2024-10-13 17:02:52,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:52,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:52,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:52,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:52,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:52,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:52,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:52,109 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:52,124 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 [2024-10-13 17:02:52,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:52,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:52,127 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) [2024-10-13 17:02:52,129 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 [2024-10-13 17:02:52,130 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 [2024-10-13 17:02:52,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:52,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:52,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:52,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:52,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:52,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:52,151 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:52,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-13 17:02:52,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:52,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:52,168 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) [2024-10-13 17:02:52,170 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 [2024-10-13 17:02:52,171 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 [2024-10-13 17:02:52,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:52,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:52,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:52,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:52,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:52,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:52,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:52,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:52,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:52,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:52,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:52,200 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) [2024-10-13 17:02:52,201 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 [2024-10-13 17:02:52,202 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 [2024-10-13 17:02:52,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:52,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:52,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:52,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:52,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:52,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:52,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:52,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:52,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-13 17:02:52,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:52,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:52,234 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) [2024-10-13 17:02:52,235 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 [2024-10-13 17:02:52,236 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 [2024-10-13 17:02:52,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:52,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:52,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:52,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:52,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:52,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:52,283 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:02:52,315 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-13 17:02:52,315 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-13 17:02:52,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:52,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:52,339 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) [2024-10-13 17:02:52,340 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 [2024-10-13 17:02:52,341 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:02:52,355 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-13 17:02:52,356 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:02:52,356 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~d~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1) = -1*ULTIMATE.start_cstrncpy_~d~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1 Supporting invariants [] [2024-10-13 17:02:52,372 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 [2024-10-13 17:02:52,406 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-10-13 17:02:52,415 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~d~0!offset [2024-10-13 17:02:52,417 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-13 17:02:52,418 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-13 17:02:52,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:52,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 17:02:52,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:52,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 17:02:52,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:52,615 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-13 17:02:52,617 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2024-10-13 17:02:52,677 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 38 states and 47 transitions. Complement of second has 7 states. [2024-10-13 17:02:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 17:02:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2024-10-13 17:02:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2024-10-13 17:02:52,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-13 17:02:52,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:52,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 4 letters. [2024-10-13 17:02:52,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:52,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 8 letters. [2024-10-13 17:02:52,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:52,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 47 transitions. [2024-10-13 17:02:52,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:02:52,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2024-10-13 17:02:52,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 17:02:52,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 17:02:52,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 17:02:52,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:02:52,699 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:02:52,699 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:02:52,700 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:02:52,700 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:02:52,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-13 17:02:52,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:02:52,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 17:02:52,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:02:52 BoogieIcfgContainer [2024-10-13 17:02:52,706 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:02:52,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:02:52,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:02:52,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:02:52,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:02:49" (3/4) ... [2024-10-13 17:02:52,709 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 17:02:52,712 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:02:52,714 INFO L158 Benchmark]: Toolchain (without parser) took 4196.34ms. Allocated memory is still 176.2MB. Free memory was 128.2MB in the beginning and 47.6MB in the end (delta: 80.6MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2024-10-13 17:02:52,714 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 145.2MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:02:52,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.48ms. Allocated memory is still 176.2MB. Free memory was 128.2MB in the beginning and 110.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 17:02:52,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.55ms. Allocated memory is still 176.2MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:02:52,737 INFO L158 Benchmark]: Boogie Preprocessor took 37.54ms. Allocated memory is still 176.2MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:02:52,738 INFO L158 Benchmark]: RCFGBuilder took 419.52ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 92.6MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 17:02:52,738 INFO L158 Benchmark]: BuchiAutomizer took 3263.86ms. Allocated memory is still 176.2MB. Free memory was 92.6MB in the beginning and 47.6MB in the end (delta: 45.0MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-10-13 17:02:52,739 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 176.2MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:02:52,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 145.2MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.48ms. Allocated memory is still 176.2MB. Free memory was 128.2MB in the beginning and 110.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.55ms. Allocated memory is still 176.2MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.54ms. Allocated memory is still 176.2MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.52ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 92.6MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3263.86ms. Allocated memory is still 176.2MB. Free memory was 92.6MB in the beginning and 47.6MB in the end (delta: 45.0MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Witness Printer took 5.91ms. Allocated memory is still 176.2MB. Free memory is still 47.6MB. 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: ~d~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * 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 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. 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, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 19 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital201 mio100 ax108 hnf100 lsp90 ukn83 mio100 lsp31 div242 bol100 ite100 ukn100 eq160 hnf94 smp54 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms 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! [2024-10-13 17:02:52,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:52,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE