./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strcpy_small.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/termination-dietlibc/strcpy_small.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 ac582ab464abffec628fd39914d1e8ed3c994a881b722675333d088c8e0918eb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:36:47,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:36:47,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-10 22:36:47,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:36:47,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:36:47,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:36:47,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:36:47,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:36:47,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:36:47,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:36:47,611 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:36:47,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:36:47,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:36:47,616 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:36:47,616 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:36:47,617 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:36:47,617 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:36:47,617 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:36:47,617 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:36:47,618 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:36:47,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:36:47,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:36:47,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:36:47,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:36:47,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:36:47,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:36:47,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:36:47,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:36:47,628 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:36:47,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:36:47,629 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:36:47,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:36:47,629 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:36:47,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:36:47,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:36:47,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:36:47,630 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:36:47,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac582ab464abffec628fd39914d1e8ed3c994a881b722675333d088c8e0918eb [2024-11-10 22:36:47,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:36:47,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:36:47,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:36:47,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:36:47,874 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:36:47,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strcpy_small.i [2024-11-10 22:36:49,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:36:49,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:36:49,495 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strcpy_small.i [2024-11-10 22:36:49,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dbbc045b/bd1e0645d83a4b8f9d857046ba4b625c/FLAG8ec1d3cb5 [2024-11-10 22:36:49,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dbbc045b/bd1e0645d83a4b8f9d857046ba4b625c [2024-11-10 22:36:49,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:36:49,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:36:49,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:36:49,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:36:49,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:36:49,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:49,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6166a27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49, skipping insertion in model container [2024-11-10 22:36:49,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:49,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:36:49,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:36:49,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:36:49,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:36:49,947 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:36:49,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49 WrapperNode [2024-11-10 22:36:49,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:36:49,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:36:49,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:36:49,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:36:49,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:49,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:49,984 INFO L138 Inliner]: procedures = 113, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2024-11-10 22:36:49,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:36:49,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:36:49,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:36:49,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:36:49,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:49,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:50,000 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:50,022 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [1, 2]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-10 22:36:50,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:50,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:50,029 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:50,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:50,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:50,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:50,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:36:50,035 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:36:50,035 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:36:50,035 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:36:50,036 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (1/1) ... [2024-11-10 22:36:50,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:50,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:50,077 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) [2024-11-10 22:36:50,080 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 [2024-11-10 22:36:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 22:36:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 22:36:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:36:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 22:36:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 22:36:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 22:36:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:36:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:36:50,229 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:36:50,231 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:36:50,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L519: havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;call ULTIMATE.dealloc(main_#t~malloc6#1.base, main_#t~malloc6#1.offset);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call ULTIMATE.dealloc(main_#t~malloc8#1.base, main_#t~malloc8#1.offset);havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; [2024-11-10 22:36:50,358 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-10 22:36:50,359 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:36:50,369 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:36:50,370 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:36:50,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:36:50 BoogieIcfgContainer [2024-11-10 22:36:50,370 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:36:50,371 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:36:50,371 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:36:50,375 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:36:50,375 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:36:50,375 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:36:49" (1/3) ... [2024-11-10 22:36:50,376 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78279dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:36:50, skipping insertion in model container [2024-11-10 22:36:50,376 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:36:50,376 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:49" (2/3) ... [2024-11-10 22:36:50,377 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78279dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:36:50, skipping insertion in model container [2024-11-10 22:36:50,377 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:36:50,377 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:36:50" (3/3) ... [2024-11-10 22:36:50,378 INFO L332 chiAutomizerObserver]: Analyzing ICFG strcpy_small.i [2024-11-10 22:36:50,425 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:36:50,425 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:36:50,425 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:36:50,426 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:36:50,426 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:36:50,426 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:36:50,426 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:36:50,427 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:36:50,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:36:50,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 22:36:50,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:36:50,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:36:50,453 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-10 22:36:50,453 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:36:50,453 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:36:50,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:36:50,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-10 22:36:50,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:36:50,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:36:50,457 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-10 22:36:50,457 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:36:50,462 INFO L745 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet5#1;main_~in_len~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5#L513-1true assume !(main_~in_len~0#1 < 1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int#1(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet7#1;main_~out_len~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 11#L517-1true assume !(main_~out_len~0#1 < main_~in_len~0#1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;assume { :begin_inline_strcpy } true;strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset, strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset := main_~out~0#1.base, main_~out~0#1.offset, main_~in~0#1.base, main_~in~0#1.offset;havoc strcpy_#res#1.base, strcpy_#res#1.offset;havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, strcpy_#t~mem4#1, strcpy_~s1#1.base, strcpy_~s1#1.offset, strcpy_~s2#1.base, strcpy_~s2#1.offset, strcpy_~res~0#1.base, strcpy_~res~0#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#in~s1#1.base, strcpy_#in~s1#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#in~s2#1.base, strcpy_#in~s2#1.offset;strcpy_~res~0#1.base, strcpy_~res~0#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset; 9#L508true [2024-11-10 22:36:50,463 INFO L747 eck$LassoCheckResult]: Loop: 9#L508true assume true;strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset := strcpy_~s1#1.base, strcpy_~s1#1.offset;strcpy_~s1#1.base, strcpy_~s1#1.offset := strcpy_#t~post2#1.base, 1 + strcpy_#t~post2#1.offset;strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset := strcpy_~s2#1.base, strcpy_~s2#1.offset;strcpy_~s2#1.base, strcpy_~s2#1.offset := strcpy_#t~post3#1.base, 1 + strcpy_#t~post3#1.offset;call strcpy_#t~mem4#1 := read~int#1(strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset, 1);call write~int#0(strcpy_#t~mem4#1, strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset, 1); 7#L508-1true assume !!(0 != strcpy_#t~mem4#1);havoc strcpy_#t~post2#1.base, strcpy_#t~post2#1.offset;havoc strcpy_#t~post3#1.base, strcpy_#t~post3#1.offset;havoc strcpy_#t~mem4#1; 9#L508true [2024-11-10 22:36:50,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:36:50,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1568955, now seen corresponding path program 1 times [2024-11-10 22:36:50,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:36:50,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316599484] [2024-11-10 22:36:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:36:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:36:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:36:50,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:36:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:36:50,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:36:50,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:36:50,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 1 times [2024-11-10 22:36:50,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:36:50,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220916863] [2024-11-10 22:36:50,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:36:50,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:36:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:36:50,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:36:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:36:50,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:36:50,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:36:50,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1507766010, now seen corresponding path program 1 times [2024-11-10 22:36:50,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:36:50,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677587982] [2024-11-10 22:36:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:36:50,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:36:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:36:50,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:36:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:36:50,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:36:51,780 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:36:51,780 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:36:51,780 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:36:51,780 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:36:51,781 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:36:51,781 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:51,781 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:36:51,781 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:36:51,781 INFO L132 ssoRankerPreferences]: Filename of dumped script: strcpy_small.i_Iteration1_Lasso [2024-11-10 22:36:51,781 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:36:51,781 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:36:51,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:51,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:51,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:51,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:51,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:51,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:51,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:51,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:36:52,572 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:36:52,577 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:36:52,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:52,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:52,582 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) [2024-11-10 22:36:52,584 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 [2024-11-10 22:36:52,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:36:52,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:36:52,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:36:52,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:36:52,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:36:52,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:36:52,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:36:52,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:36:52,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:36:52,622 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 [2024-11-10 22:36:52,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:52,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:52,626 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) [2024-11-10 22:36:52,627 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 [2024-11-10 22:36:52,628 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 [2024-11-10 22:36:52,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:36:52,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:36:52,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:36:52,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:36:52,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:36:52,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:36:52,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:36:52,654 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:36:52,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-10 22:36:52,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:52,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:52,670 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) [2024-11-10 22:36:52,671 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 [2024-11-10 22:36:52,672 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 [2024-11-10 22:36:52,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:36:52,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:36:52,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:36:52,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:36:52,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:36:52,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:36:52,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:36:52,685 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:36:52,696 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 [2024-11-10 22:36:52,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:52,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:52,697 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) [2024-11-10 22:36:52,698 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 [2024-11-10 22:36:52,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:36:52,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:36:52,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:36:52,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:36:52,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:36:52,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:36:52,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:36:52,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:36:52,712 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:36:52,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-10 22:36:52,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:52,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:52,729 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) [2024-11-10 22:36:52,731 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 [2024-11-10 22:36:52,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:36:52,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:36:52,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:36:52,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:36:52,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:36:52,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:36:52,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:36:52,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:36:52,746 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:36:52,759 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 [2024-11-10 22:36:52,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:52,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:52,761 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) [2024-11-10 22:36:52,762 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 [2024-11-10 22:36:52,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:36:52,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:36:52,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:36:52,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:36:52,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:36:52,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:36:52,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:36:52,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:36:52,776 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:36:52,791 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 [2024-11-10 22:36:52,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:52,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:52,794 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) [2024-11-10 22:36:52,796 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 [2024-11-10 22:36:52,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:36:52,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:36:52,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:36:52,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:36:52,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:36:52,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:36:52,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:36:52,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:36:52,811 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:36:52,823 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 [2024-11-10 22:36:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:52,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:52,825 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) [2024-11-10 22:36:52,826 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 [2024-11-10 22:36:52,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:36:52,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:36:52,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:36:52,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:36:52,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:36:52,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:36:52,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:36:52,852 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:36:52,876 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-10 22:36:52,876 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-10 22:36:52,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:36:52,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:36:52,882 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) [2024-11-10 22:36:52,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:36:52,910 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 [2024-11-10 22:36:52,912 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 22:36:52,912 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:36:52,913 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcpy_~s1#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1) = -1*ULTIMATE.start_strcpy_~s1#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 Supporting invariants [] [2024-11-10 22:36:52,930 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 [2024-11-10 22:36:52,966 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-11-10 22:36:52,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s1!offset [2024-11-10 22:36:52,976 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 22:36:52,976 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 22:36:53,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:36:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:36:53,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 22:36:53,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:36:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:36:53,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 22:36:53,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:36:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:36:53,171 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:36:53,173 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:36:53,221 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 23 states and 25 transitions. Complement of second has 6 states. [2024-11-10 22:36:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:36:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:36:53,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2024-11-10 22:36:53,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-10 22:36:53,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:36:53,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-10 22:36:53,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:36:53,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-10 22:36:53,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:36:53,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2024-11-10 22:36:53,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:36:53,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2024-11-10 22:36:53,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:36:53,242 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:36:53,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:36:53,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:36:53,243 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:36:53,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:36:53,243 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:36:53,243 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:36:53,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 22:36:53,244 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:36:53,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 22:36:53,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:36:53 BoogieIcfgContainer [2024-11-10 22:36:53,250 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:36:53,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:36:53,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:36:53,251 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:36:53,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:36:50" (3/4) ... [2024-11-10 22:36:53,253 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:36:53,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:36:53,255 INFO L158 Benchmark]: Toolchain (without parser) took 3730.46ms. Allocated memory was 184.5MB in the beginning and 251.7MB in the end (delta: 67.1MB). Free memory was 126.2MB in the beginning and 197.5MB in the end (delta: -71.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:36:53,255 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:36:53,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.38ms. Allocated memory is still 184.5MB. Free memory was 125.8MB in the beginning and 107.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 22:36:53,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.29ms. Allocated memory is still 184.5MB. Free memory was 107.8MB in the beginning and 105.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:36:53,257 INFO L158 Benchmark]: Boogie Preprocessor took 48.29ms. Allocated memory is still 184.5MB. Free memory was 105.7MB in the beginning and 104.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:36:53,257 INFO L158 Benchmark]: IcfgBuilder took 335.83ms. Allocated memory is still 184.5MB. Free memory was 103.6MB in the beginning and 90.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 22:36:53,259 INFO L158 Benchmark]: BuchiAutomizer took 2878.95ms. Allocated memory was 184.5MB in the beginning and 251.7MB in the end (delta: 67.1MB). Free memory was 90.6MB in the beginning and 197.5MB in the end (delta: -106.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:36:53,259 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 251.7MB. Free memory is still 197.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:36:53,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.38ms. Allocated memory is still 184.5MB. Free memory was 125.8MB in the beginning and 107.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.29ms. Allocated memory is still 184.5MB. Free memory was 107.8MB in the beginning and 105.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.29ms. Allocated memory is still 184.5MB. Free memory was 105.7MB in the beginning and 104.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 335.83ms. Allocated memory is still 184.5MB. Free memory was 103.6MB in the beginning and 90.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2878.95ms. Allocated memory was 184.5MB in the beginning and 251.7MB in the end (delta: 67.1MB). Free memory was 90.6MB in the beginning and 197.5MB in the end (delta: -106.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 251.7MB. Free memory is still 197.5MB. 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: ~s1!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 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital187 mio100 ax100 hnf100 lsp98 ukn78 mio100 lsp27 div100 bol100 ite100 ukn100 eq160 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 88ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-10 22:36:53,287 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 [2024-11-10 22:36:53,491 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