./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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 0.3.0-?-e2fb8be-m [2025-03-09 06:52:04,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:52:04,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-03-09 06:52:04,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:52:04,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:52:04,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 06:52:04,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:52:04,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:52:04,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:52:04,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:52:04,947 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:52:04,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:52:04,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:52:04,947 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:52:04,947 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 06:52:04,947 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 06:52:04,947 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 06:52:04,947 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 06:52:04,948 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 06:52:04,948 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 06:52:04,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:52:04,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 06:52:04,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:52:04,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:52:04,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 06:52:04,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 06:52:04,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 06:52:04,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:52:04,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:52:04,949 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 06:52:04,949 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:52:04,950 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:52:04,950 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:52:04,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:52:04,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:52:04,950 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:52:04,950 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 06:52:04,950 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 [2025-03-09 06:52:05,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:52:05,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:52:05,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:52:05,188 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:52:05,188 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:52:05,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strcpy_small.i [2025-03-09 06:52:06,332 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae4bc8d67/fa7409ee6a654837b6095d7250d59da3/FLAG0b833f9d9 [2025-03-09 06:52:06,608 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:52:06,609 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strcpy_small.i [2025-03-09 06:52:06,623 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae4bc8d67/fa7409ee6a654837b6095d7250d59da3/FLAG0b833f9d9 [2025-03-09 06:52:06,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae4bc8d67/fa7409ee6a654837b6095d7250d59da3 [2025-03-09 06:52:06,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:52:06,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:52:06,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:52:06,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:52:06,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:52:06,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:52:06" (1/1) ... [2025-03-09 06:52:06,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b657fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:06, skipping insertion in model container [2025-03-09 06:52:06,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:52:06" (1/1) ... [2025-03-09 06:52:06,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:52:07,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:52:07,141 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:52:07,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:52:07,196 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:52:07,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07 WrapperNode [2025-03-09 06:52:07,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:52:07,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:52:07,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:52:07,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:52:07,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,224 INFO L138 Inliner]: procedures = 113, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2025-03-09 06:52:07,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:52:07,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:52:07,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:52:07,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:52:07,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,243 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]. [2025-03-09 06:52:07,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,247 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:52:07,251 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:52:07,251 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:52:07,251 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:52:07,254 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (1/1) ... [2025-03-09 06:52:07,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:07,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:07,280 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) [2025-03-09 06:52:07,284 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 [2025-03-09 06:52:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:52:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:52:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:52:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:52:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:52:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:52:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:52:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:52:07,373 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:52:07,374 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:52:07,488 INFO L1307 $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; [2025-03-09 06:52:07,501 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2025-03-09 06:52:07,501 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:52:07,507 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:52:07,508 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:52:07,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:52:07 BoogieIcfgContainer [2025-03-09 06:52:07,508 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:52:07,508 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 06:52:07,509 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 06:52:07,512 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 06:52:07,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:52:07,513 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 06:52:06" (1/3) ... [2025-03-09 06:52:07,514 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@673efeb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 06:52:07, skipping insertion in model container [2025-03-09 06:52:07,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:52:07,514 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:52:07" (2/3) ... [2025-03-09 06:52:07,515 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@673efeb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 06:52:07, skipping insertion in model container [2025-03-09 06:52:07,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 06:52:07,516 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:52:07" (3/3) ... [2025-03-09 06:52:07,516 INFO L363 chiAutomizerObserver]: Analyzing ICFG strcpy_small.i [2025-03-09 06:52:07,553 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 06:52:07,553 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 06:52:07,553 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 06:52:07,553 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 06:52:07,553 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 06:52:07,553 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 06:52:07,554 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 06:52:07,554 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 06:52:07,560 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) [2025-03-09 06:52:07,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-09 06:52:07,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:52:07,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:52:07,581 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-09 06:52:07,581 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-09 06:52:07,581 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 06:52:07,582 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) [2025-03-09 06:52:07,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-03-09 06:52:07,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 06:52:07,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 06:52:07,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-03-09 06:52:07,584 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-03-09 06:52:07,587 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "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;" "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;" [2025-03-09 06:52:07,588 INFO L754 eck$LassoCheckResult]: Loop: "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);" "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;" [2025-03-09 06:52:07,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:07,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1568955, now seen corresponding path program 1 times [2025-03-09 06:52:07,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:07,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185840048] [2025-03-09 06:52:07,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:07,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:07,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:07,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:07,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:07,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:07,693 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:07,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:07,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:07,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:07,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:07,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:07,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:07,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1215, now seen corresponding path program 1 times [2025-03-09 06:52:07,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:07,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356672035] [2025-03-09 06:52:07,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:07,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:07,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:52:07,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:52:07,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:07,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:07,750 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:07,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:52:07,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:52:07,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:07,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:07,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:07,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:07,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1507766009, now seen corresponding path program 1 times [2025-03-09 06:52:07,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:52:07,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282098998] [2025-03-09 06:52:07,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:52:07,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:52:07,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:52:07,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:52:07,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:07,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:07,804 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:52:07,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:52:07,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:52:07,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:07,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:52:07,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:52:08,517 INFO L204 LassoAnalysis]: Preferences: [2025-03-09 06:52:08,517 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-09 06:52:08,517 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-09 06:52:08,518 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-09 06:52:08,518 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-09 06:52:08,518 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:08,518 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-09 06:52:08,518 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-09 06:52:08,518 INFO L132 ssoRankerPreferences]: Filename of dumped script: strcpy_small.i_Iteration1_Lasso [2025-03-09 06:52:08,518 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-09 06:52:08,518 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-09 06:52:08,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:08,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-09 06:52:09,120 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-09 06:52:09,123 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-09 06:52:09,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:09,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:09,126 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) [2025-03-09 06:52:09,128 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 [2025-03-09 06:52:09,129 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 [2025-03-09 06:52:09,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:09,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:09,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:09,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:09,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:09,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:09,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:09,145 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:09,155 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 [2025-03-09 06:52:09,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:09,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:09,159 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) [2025-03-09 06:52:09,160 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 [2025-03-09 06:52:09,161 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 [2025-03-09 06:52:09,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:09,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:09,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:09,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:09,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:09,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:09,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:09,178 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:09,183 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 [2025-03-09 06:52:09,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:09,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:09,186 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) [2025-03-09 06:52:09,187 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 [2025-03-09 06:52:09,188 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 [2025-03-09 06:52:09,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:09,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:09,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:09,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:09,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:09,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:09,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:09,204 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:09,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-03-09 06:52:09,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:09,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:09,212 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) [2025-03-09 06:52:09,214 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 [2025-03-09 06:52:09,215 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 [2025-03-09 06:52:09,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:09,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:09,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:09,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:09,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:09,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:09,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:09,227 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:09,233 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 [2025-03-09 06:52:09,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:09,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:09,235 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) [2025-03-09 06:52:09,239 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 [2025-03-09 06:52:09,239 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 [2025-03-09 06:52:09,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:09,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:09,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:09,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:09,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:09,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:09,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:09,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:09,259 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 [2025-03-09 06:52:09,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:09,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:09,261 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) [2025-03-09 06:52:09,262 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 [2025-03-09 06:52:09,262 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 [2025-03-09 06:52:09,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:09,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:09,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:09,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:09,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:09,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:09,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:09,280 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:09,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-03-09 06:52:09,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:09,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:09,287 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) [2025-03-09 06:52:09,288 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 [2025-03-09 06:52:09,288 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 [2025-03-09 06:52:09,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:09,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-09 06:52:09,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:09,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:09,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:09,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-09 06:52:09,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-09 06:52:09,300 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-09 06:52:09,306 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 [2025-03-09 06:52:09,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:09,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:09,308 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) [2025-03-09 06:52:09,309 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 [2025-03-09 06:52:09,311 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 [2025-03-09 06:52:09,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-09 06:52:09,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-09 06:52:09,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-09 06:52:09,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-09 06:52:09,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-03-09 06:52:09,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-03-09 06:52:09,337 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-09 06:52:09,355 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2025-03-09 06:52:09,356 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2025-03-09 06:52:09,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 06:52:09,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:52:09,360 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) [2025-03-09 06:52:09,361 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 [2025-03-09 06:52:09,362 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-09 06:52:09,372 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-03-09 06:52:09,372 INFO L474 LassoAnalysis]: Proved termination. [2025-03-09 06:52:09,373 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 [] [2025-03-09 06:52:09,380 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 [2025-03-09 06:52:09,407 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2025-03-09 06:52:09,414 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s1!offset [2025-03-09 06:52:09,415 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-03-09 06:52:09,415 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-03-09 06:52:09,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:52:09,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:52:09,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:52:09,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:09,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:09,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 06:52:09,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:09,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-09 06:52:09,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-09 06:52:09,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:52:09,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:52:09,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-09 06:52:09,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:52:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:52:09,514 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 [2025-03-09 06:52:09,515 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) [2025-03-09 06:52:09,557 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. [2025-03-09 06:52:09,559 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 [2025-03-09 06:52:09,562 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) [2025-03-09 06:52:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2025-03-09 06:52:09,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2025-03-09 06:52:09,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:09,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 2 letters. [2025-03-09 06:52:09,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:09,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 4 letters. [2025-03-09 06:52:09,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-09 06:52:09,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2025-03-09 06:52:09,570 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 06:52:09,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2025-03-09 06:52:09,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-09 06:52:09,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-09 06:52:09,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-09 06:52:09,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 06:52:09,572 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:52:09,572 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:52:09,572 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 06:52:09,572 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 06:52:09,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-09 06:52:09,572 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-09 06:52:09,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-09 06:52:09,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 06:52:09 BoogieIcfgContainer [2025-03-09 06:52:09,580 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 06:52:09,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 06:52:09,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 06:52:09,581 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 06:52:09,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:52:07" (3/4) ... [2025-03-09 06:52:09,583 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 06:52:09,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 06:52:09,584 INFO L158 Benchmark]: Toolchain (without parser) took 2682.13ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 72.2MB in the end (delta: 49.9MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2025-03-09 06:52:09,584 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:52:09,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.89ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 105.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 06:52:09,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.56ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 104.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:52:09,584 INFO L158 Benchmark]: Boogie Preprocessor took 25.24ms. Allocated memory is still 167.8MB. Free memory was 104.3MB in the beginning and 102.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:52:09,584 INFO L158 Benchmark]: IcfgBuilder took 256.57ms. Allocated memory is still 167.8MB. Free memory was 102.9MB in the beginning and 90.4MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 06:52:09,584 INFO L158 Benchmark]: BuchiAutomizer took 2071.54ms. Allocated memory is still 167.8MB. Free memory was 90.4MB in the beginning and 72.3MB in the end (delta: 18.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2025-03-09 06:52:09,585 INFO L158 Benchmark]: Witness Printer took 2.54ms. Allocated memory is still 167.8MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 06:52:09,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.89ms. Allocated memory is still 167.8MB. Free memory was 122.1MB in the beginning and 105.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.56ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 104.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.24ms. Allocated memory is still 167.8MB. Free memory was 104.3MB in the beginning and 102.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 256.57ms. Allocated memory is still 167.8MB. Free memory was 102.9MB in the beginning and 90.4MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2071.54ms. Allocated memory is still 167.8MB. Free memory was 90.4MB in the beginning and 72.3MB in the end (delta: 18.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 2.54ms. Allocated memory is still 167.8MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 27.1kB). 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 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 66ms 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! [2025-03-09 06:52:09,601 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 [2025-03-09 06:52:09,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE