./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 6371c4611e316d2d263767edd018a520ca95364feb4c5ab9be1def305b667b3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:05:43,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:05:43,118 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-06 19:05:43,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:05:43,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:05:43,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:05:43,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:05:43,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:05:43,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:05:43,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:05:43,147 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:05:43,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:05:43,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:05:43,147 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:05:43,147 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:05:43,148 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:05:43,148 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:05:43,148 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:05:43,148 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:05:43,148 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:05:43,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:05:43,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:05:43,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:05:43,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:05:43,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:05:43,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:05:43,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:05:43,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:05:43,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:05:43,149 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:05:43,149 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:05:43,149 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:05:43,149 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:05:43,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:05:43,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:05:43,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:05:43,150 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:05:43,150 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-jdk21/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 -> 6371c4611e316d2d263767edd018a520ca95364feb4c5ab9be1def305b667b3d [2025-02-06 19:05:43,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:05:43,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:05:43,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:05:43,346 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:05:43,346 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:05:43,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2025-02-06 19:05:44,424 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fce21ea66/1fb9503bf4d24da79258b83e7a72ce2e/FLAGfa05dae43 [2025-02-06 19:05:44,673 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:05:44,674 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2025-02-06 19:05:44,685 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fce21ea66/1fb9503bf4d24da79258b83e7a72ce2e/FLAGfa05dae43 [2025-02-06 19:05:44,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fce21ea66/1fb9503bf4d24da79258b83e7a72ce2e [2025-02-06 19:05:44,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:05:44,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:05:44,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:05:44,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:05:44,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:05:44,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:05:44" (1/1) ... [2025-02-06 19:05:44,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db08518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:44, skipping insertion in model container [2025-02-06 19:05:44,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:05:44" (1/1) ... [2025-02-06 19:05:45,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:05:45,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:05:45,167 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:05:45,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:05:45,232 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:05:45,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45 WrapperNode [2025-02-06 19:05:45,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:05:45,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:05:45,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:05:45,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:05:45,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,263 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2025-02-06 19:05:45,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:05:45,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:05:45,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:05:45,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:05:45,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,285 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [1, 3]. [2025-02-06 19:05:45,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:05:45,297 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:05:45,297 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:05:45,297 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:05:45,299 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (1/1) ... [2025-02-06 19:05:45,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:45,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:45,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:45,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:05:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 19:05:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 19:05:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 19:05:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 19:05:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 19:05:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 19:05:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:05:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:05:45,462 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:05:45,463 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:05:45,605 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L574: call ULTIMATE.dealloc(main_#t~malloc13#1.base, main_#t~malloc13#1.offset);havoc main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call ULTIMATE.dealloc(main_#t~malloc14#1.base, main_#t~malloc14#1.offset);havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; [2025-02-06 19:05:45,624 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2025-02-06 19:05:45,624 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:05:45,637 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:05:45,638 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:05:45,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:05:45 BoogieIcfgContainer [2025-02-06 19:05:45,639 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:05:45,640 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:05:45,640 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:05:45,644 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:05:45,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:05:45,644 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:05:44" (1/3) ... [2025-02-06 19:05:45,645 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53bc3b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:05:45, skipping insertion in model container [2025-02-06 19:05:45,646 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:05:45,646 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:05:45" (2/3) ... [2025-02-06 19:05:45,647 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53bc3b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:05:45, skipping insertion in model container [2025-02-06 19:05:45,647 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:05:45,647 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:05:45" (3/3) ... [2025-02-06 19:05:45,648 INFO L363 chiAutomizerObserver]: Analyzing ICFG cstrncat-alloca-1.i [2025-02-06 19:05:45,688 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:05:45,688 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:05:45,688 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:05:45,689 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:05:45,689 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:05:45,689 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:05:45,689 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:05:45,689 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:05:45,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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) [2025-02-06 19:05:45,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2025-02-06 19:05:45,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:05:45,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:05:45,708 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-06 19:05:45,708 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:05:45,708 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:05:45,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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) [2025-02-06 19:05:45,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2025-02-06 19:05:45,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:05:45,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:05:45,710 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-06 19:05:45,710 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:05:45,714 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~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1.base, main_#t~ret15#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "assume !(main_~n~0#1 < 1);" "assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset, cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~mem2#1, cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~post4#1.base, cstrncat_#t~post4#1.offset, cstrncat_#t~mem5#1, cstrncat_#t~short6#1, cstrncat_#t~post7#1, cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset, cstrncat_#t~mem9#1, cstrncat_~s1#1.base, cstrncat_~s1#1.offset, cstrncat_~s2#1.base, cstrncat_~s2#1.offset, cstrncat_~n#1, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s1#1.base, cstrncat_~s1#1.offset := cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset;cstrncat_~s2#1.base, cstrncat_~s2#1.offset := cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~s1#1.base, cstrncat_~s1#1.offset;" [2025-02-06 19:05:45,715 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call cstrncat_#t~mem2#1 := read~int#1(cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, 1);" "assume 0 != cstrncat_#t~mem2#1;havoc cstrncat_#t~mem2#1;cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post3#1.base, 1 + cstrncat_#t~post3#1.offset;" [2025-02-06 19:05:45,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:45,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1921937500, now seen corresponding path program 1 times [2025-02-06 19:05:45,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:45,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533797680] [2025-02-06 19:05:45,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:45,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:45,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:05:45,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:05:45,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:45,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:45,825 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:45,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:05:45,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:05:45,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:45,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:45,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:45,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:45,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times [2025-02-06 19:05:45,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:45,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611650560] [2025-02-06 19:05:45,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:45,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:45,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:45,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:45,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:45,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:45,882 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:45,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:45,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:45,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:45,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:45,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:45,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:45,888 INFO L85 PathProgramCache]: Analyzing trace with hash 146000891, now seen corresponding path program 1 times [2025-02-06 19:05:45,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:45,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028311277] [2025-02-06 19:05:45,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:45,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:45,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:05:45,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:05:45,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:45,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:45,942 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:05:45,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:05:45,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:05:45,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:45,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:05:45,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:05:46,773 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:05:46,774 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:05:46,774 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:05:46,774 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:05:46,774 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:05:46,774 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:46,774 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:05:46,774 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:05:46,774 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-1.i_Iteration1_Lasso [2025-02-06 19:05:46,775 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:05:46,775 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:05:46,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:46,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:05:47,258 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:05:47,261 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:05:47,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-06 19:05:47,266 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 [2025-02-06 19:05:47,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,282 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:47,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,290 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-06 19:05:47,293 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 [2025-02-06 19:05:47,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,305 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:47,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,313 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-06 19:05:47,316 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 [2025-02-06 19:05:47,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,328 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-06 19:05:47,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-06 19:05:47,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:05:47,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,351 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:47,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,359 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-06 19:05:47,362 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 [2025-02-06 19:05:47,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:47,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-06 19:05:47,384 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 [2025-02-06 19:05:47,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:47,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:47,399 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:47,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,407 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-06 19:05:47,409 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 [2025-02-06 19:05:47,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,435 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-06 19:05:47,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-06 19:05:47,449 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 [2025-02-06 19:05:47,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,461 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-06 19:05:47,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,468 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-06 19:05:47,471 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 [2025-02-06 19:05:47,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:47,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:47,485 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-06 19:05:47,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,492 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-06 19:05:47,495 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 [2025-02-06 19:05:47,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,507 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-06 19:05:47,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,517 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-06 19:05:47,519 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 [2025-02-06 19:05:47,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,531 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-06 19:05:47,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,538 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-06 19:05:47,541 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 [2025-02-06 19:05:47,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:05:47,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:05:47,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:05:47,553 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:05:47,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-06 19:05:47,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,565 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-06 19:05:47,567 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 [2025-02-06 19:05:47,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:05:47,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:05:47,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:05:47,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:05:47,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:05:47,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:05:47,590 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:05:47,609 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2025-02-06 19:05:47,611 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2025-02-06 19:05:47,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:05:47,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:05:47,613 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:05:47,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-06 19:05:47,616 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:05:47,627 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:05:47,627 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:05:47,628 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncat_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1) = -1*ULTIMATE.start_cstrncat_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1 Supporting invariants [] [2025-02-06 19:05:47,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:47,647 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2025-02-06 19:05:47,651 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:05:47,652 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:05:47,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2025-02-06 19:05:47,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:47,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:05:47,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:05:47,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:47,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:05:47,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 19:05:47,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:05:47,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:05:47,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:05:47,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:47,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:05:47,705 WARN L254 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 19:05:47,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:05:47,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-02-06 19:05:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:05:47,763 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 [2025-02-06 19:05:47,764 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-02-06 19:05:47,825 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 52 states and 74 transitions. Complement of second has 8 states. [2025-02-06 19:05:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-06 19:05:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-02-06 19:05:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2025-02-06 19:05:47,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 6 letters. Loop has 2 letters. [2025-02-06 19:05:47,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:05:47,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 8 letters. Loop has 2 letters. [2025-02-06 19:05:47,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:05:47,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 6 letters. Loop has 4 letters. [2025-02-06 19:05:47,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:05:47,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 74 transitions. [2025-02-06 19:05:47,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:05:47,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 20 states and 27 transitions. [2025-02-06 19:05:47,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2025-02-06 19:05:47,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-02-06 19:05:47,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2025-02-06 19:05:47,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:05:47,838 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2025-02-06 19:05:47,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2025-02-06 19:05:47,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2025-02-06 19:05:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 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) [2025-02-06 19:05:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2025-02-06 19:05:47,852 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2025-02-06 19:05:47,852 INFO L432 stractBuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2025-02-06 19:05:47,853 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:05:47,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2025-02-06 19:05:47,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-06 19:05:47,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:05:47,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:05:47,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:05:47,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:05:47,854 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~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1.base, main_#t~ret15#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "assume !(main_~n~0#1 < 1);" "assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset, cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~mem2#1, cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~post4#1.base, cstrncat_#t~post4#1.offset, cstrncat_#t~mem5#1, cstrncat_#t~short6#1, cstrncat_#t~post7#1, cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset, cstrncat_#t~mem9#1, cstrncat_~s1#1.base, cstrncat_~s1#1.offset, cstrncat_~s2#1.base, cstrncat_~s2#1.offset, cstrncat_~n#1, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s1#1.base, cstrncat_~s1#1.offset := cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset;cstrncat_~s2#1.base, cstrncat_~s2#1.offset := cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~s1#1.base, cstrncat_~s1#1.offset;" "assume true;call cstrncat_#t~mem2#1 := read~int#1(cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, 1);" "assume !(0 != cstrncat_#t~mem2#1);havoc cstrncat_#t~mem2#1;" "assume true;cstrncat_#t~short6#1 := 0 != cstrncat_~n#1;" "assume !cstrncat_#t~short6#1;" "assume cstrncat_#t~short6#1;havoc cstrncat_#t~post4#1.base, cstrncat_#t~post4#1.offset;havoc cstrncat_#t~mem5#1;havoc cstrncat_#t~short6#1;cstrncat_#t~post7#1 := cstrncat_~n#1;cstrncat_~n#1 := cstrncat_#t~post7#1 - 1;havoc cstrncat_#t~post7#1;cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post8#1.base, 1 + cstrncat_#t~post8#1.offset;havoc cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset;" "assume true;cstrncat_#t~short6#1 := 0 != cstrncat_~n#1;" [2025-02-06 19:05:47,854 INFO L754 eck$LassoCheckResult]: Loop: "assume !cstrncat_#t~short6#1;" "assume cstrncat_#t~short6#1;havoc cstrncat_#t~post4#1.base, cstrncat_#t~post4#1.offset;havoc cstrncat_#t~mem5#1;havoc cstrncat_#t~short6#1;cstrncat_#t~post7#1 := cstrncat_~n#1;cstrncat_~n#1 := cstrncat_#t~post7#1 - 1;havoc cstrncat_#t~post7#1;cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post8#1.base, 1 + cstrncat_#t~post8#1.offset;havoc cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset;" "assume true;cstrncat_#t~short6#1 := 0 != cstrncat_~n#1;" [2025-02-06 19:05:47,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:47,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1314896228, now seen corresponding path program 1 times [2025-02-06 19:05:47,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:47,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362466583] [2025-02-06 19:05:47,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:47,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:47,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 19:05:47,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 19:05:47,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:47,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:05:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:05:47,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:05:47,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362466583] [2025-02-06 19:05:47,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362466583] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:05:47,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:05:47,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:05:47,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229709302] [2025-02-06 19:05:47,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:05:47,905 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:05:47,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:05:47,905 INFO L85 PathProgramCache]: Analyzing trace with hash 43632, now seen corresponding path program 1 times [2025-02-06 19:05:47,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:05:47,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839878089] [2025-02-06 19:05:47,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:05:47,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:05:47,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:05:47,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:05:47,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:05:47,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:05:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:05:47,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:05:47,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839878089] [2025-02-06 19:05:47,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839878089] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:05:47,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:05:47,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:05:47,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609275520] [2025-02-06 19:05:47,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:05:47,914 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:05:47,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:05:47,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:05:47,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:05:47,916 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2025-02-06 19:05:47,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:05:47,924 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2025-02-06 19:05:47,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2025-02-06 19:05:47,925 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:05:47,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2025-02-06 19:05:47,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:05:47,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:05:47,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:05:47,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:05:47,925 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:05:47,925 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:05:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:05:47,926 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:05:47,926 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:05:47,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 19:05:47,926 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:05:47,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:05:47,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:05:47 BoogieIcfgContainer [2025-02-06 19:05:47,931 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:05:47,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:05:47,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:05:47,932 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:05:47,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:05:45" (3/4) ... [2025-02-06 19:05:47,934 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:05:47,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:05:47,935 INFO L158 Benchmark]: Toolchain (without parser) took 2942.69ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 89.5MB in the end (delta: 17.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2025-02-06 19:05:47,935 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:05:47,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.98ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 90.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:05:47,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.86ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 89.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:05:47,935 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:05:47,936 INFO L158 Benchmark]: IcfgBuilder took 341.70ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 73.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:05:47,936 INFO L158 Benchmark]: BuchiAutomizer took 2291.96ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 89.6MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:05:47,936 INFO L158 Benchmark]: Witness Printer took 2.35ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:05:47,937 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.98ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 90.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.86ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 89.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 341.70ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 73.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2291.96ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 89.6MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.35ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 34 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital191 mio100 ax109 hnf100 lsp88 ukn64 mio100 lsp52 div100 bol100 ite100 ukn100 eq134 hnf94 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-06 19:05:47,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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