./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 48c9605d 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/strreplace-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 d4de5096855b305f822a5b563f81ee8d3b63add498dc60d311755a4f31b28f6b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:25:40,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:25:40,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-08 14:25:40,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:25:40,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:25:40,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:25:40,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:25:40,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:25:40,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:25:40,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:25:40,591 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:25:40,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:25:40,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:25:40,592 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:25:40,593 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:25:40,593 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:25:40,593 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:25:40,593 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:25:40,593 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:25:40,593 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:25:40,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:25:40,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:25:40,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:25:40,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:25:40,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:25:40,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:25:40,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:25:40,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:25:40,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:25:40,594 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:25:40,594 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:25:40,594 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:25:40,595 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:25:40,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:25:40,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:25:40,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:25:40,595 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:25:40,595 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 -> d4de5096855b305f822a5b563f81ee8d3b63add498dc60d311755a4f31b28f6b [2025-02-08 14:25:40,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:25:40,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:25:40,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:25:40,926 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:25:40,926 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:25:40,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2025-02-08 14:25:42,180 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3bfdb6fa9/671204de09574fd6aa8681503beabc28/FLAG3a3ef2017 [2025-02-08 14:25:42,474 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:25:42,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2025-02-08 14:25:42,491 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3bfdb6fa9/671204de09574fd6aa8681503beabc28/FLAG3a3ef2017 [2025-02-08 14:25:42,509 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3bfdb6fa9/671204de09574fd6aa8681503beabc28 [2025-02-08 14:25:42,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:25:42,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:25:42,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:25:42,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:25:42,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:25:42,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e194ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42, skipping insertion in model container [2025-02-08 14:25:42,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:25:42,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:25:42,825 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:25:42,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:25:42,895 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:25:42,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42 WrapperNode [2025-02-08 14:25:42,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:25:42,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:25:42,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:25:42,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:25:42,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,928 INFO L138 Inliner]: procedures = 111, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2025-02-08 14:25:42,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:25:42,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:25:42,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:25:42,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:25:42,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,936 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,945 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2025-02-08 14:25:42,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,949 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:25:42,954 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:25:42,954 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:25:42,954 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:25:42,955 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (1/1) ... [2025-02-08 14:25:42,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:42,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:42,990 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) [2025-02-08 14:25:42,993 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 [2025-02-08 14:25:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:25:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:25:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:25:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:25:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:25:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:25:43,109 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:25:43,110 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:25:43,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L567: havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;havoc main_#t~ret10#1;call ULTIMATE.dealloc(main_#t~malloc7#1.base, main_#t~malloc7#1.offset);havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; [2025-02-08 14:25:43,258 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-02-08 14:25:43,259 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:25:43,268 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:25:43,269 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:25:43,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:25:43 BoogieIcfgContainer [2025-02-08 14:25:43,269 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:25:43,270 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:25:43,270 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:25:43,275 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:25:43,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:25:43,276 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:25:42" (1/3) ... [2025-02-08 14:25:43,277 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a277def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:25:43, skipping insertion in model container [2025-02-08 14:25:43,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:25:43,279 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:25:42" (2/3) ... [2025-02-08 14:25:43,279 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a277def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:25:43, skipping insertion in model container [2025-02-08 14:25:43,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:25:43,279 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:25:43" (3/3) ... [2025-02-08 14:25:43,280 INFO L363 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-1.i [2025-02-08 14:25:43,330 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:25:43,331 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:25:43,331 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:25:43,331 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:25:43,331 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:25:43,332 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:25:43,332 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:25:43,332 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:25:43,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:25:43,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-08 14:25:43,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:25:43,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:25:43,359 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-08 14:25:43,360 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-08 14:25:43,360 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:25:43,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:25:43,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-08 14:25:43,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:25:43,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:25:43,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-08 14:25:43,363 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-08 14:25:43,368 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~ret10#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~length1~0#1 < 1);" "call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume { :begin_inline_cstrreplace } true;cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset, cstrreplace_#in~old#1, cstrreplace_#in~new#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, (if main_#t~nondet8#1 % 256 <= 127 then main_#t~nondet8#1 % 256 else main_#t~nondet8#1 % 256 - 256), (if main_#t~nondet9#1 % 256 <= 127 then main_#t~nondet9#1 % 256 else main_#t~nondet9#1 % 256 - 256);havoc cstrreplace_#res#1;havoc cstrreplace_#t~mem2#1, cstrreplace_#t~mem3#1, cstrreplace_#t~post4#1, cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset, cstrreplace_~s#1.base, cstrreplace_~s#1.offset, cstrreplace_~old#1, cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, cstrreplace_~numReplaced~0#1;cstrreplace_~s#1.base, cstrreplace_~s#1.offset := cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset;cstrreplace_~old#1 := cstrreplace_#in~old#1;cstrreplace_~new#1 := cstrreplace_#in~new#1;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_~s#1.base, cstrreplace_~s#1.offset;cstrreplace_~numReplaced~0#1 := 0;" [2025-02-08 14:25:43,369 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call cstrreplace_#t~mem2#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);" "assume 0 != cstrreplace_#t~mem2#1;havoc cstrreplace_#t~mem2#1;call cstrreplace_#t~mem3#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);" "assume cstrreplace_#t~mem3#1 == cstrreplace_~old#1;havoc cstrreplace_#t~mem3#1;call write~int#0(cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);cstrreplace_#t~post4#1 := cstrreplace_~numReplaced~0#1;cstrreplace_~numReplaced~0#1 := 1 + cstrreplace_#t~post4#1;havoc cstrreplace_#t~post4#1;" "cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset := cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_#t~post5#1.base, 1 + cstrreplace_#t~post5#1.offset;havoc cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset;" [2025-02-08 14:25:43,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:43,377 INFO L85 PathProgramCache]: Analyzing trace with hash 45645, now seen corresponding path program 1 times [2025-02-08 14:25:43,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:25:43,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009824141] [2025-02-08 14:25:43,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:25:43,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:25:43,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:25:43,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:25:43,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:43,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:43,502 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:43,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:25:43,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:25:43,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:43,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:43,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:25:43,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:43,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1260991, now seen corresponding path program 1 times [2025-02-08 14:25:43,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:25:43,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659222481] [2025-02-08 14:25:43,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:25:43,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:25:43,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:25:43,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:25:43,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:43,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:43,560 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:43,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:25:43,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:25:43,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:43,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:43,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:25:43,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash -795219445, now seen corresponding path program 1 times [2025-02-08 14:25:43,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:25:43,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069315239] [2025-02-08 14:25:43,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:25:43,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:25:43,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 14:25:43,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 14:25:43,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:43,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:43,619 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:25:43,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 14:25:43,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 14:25:43,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:43,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:25:43,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:25:44,399 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:25:44,400 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:25:44,401 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:25:44,401 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:25:44,402 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:25:44,402 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:44,402 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:25:44,402 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:25:44,402 INFO L132 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-1.i_Iteration1_Lasso [2025-02-08 14:25:44,402 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:25:44,403 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:25:44,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:25:44,959 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:25:44,962 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:25:44,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:44,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:44,968 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) [2025-02-08 14:25:44,971 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 [2025-02-08 14:25:44,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:25:44,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:44,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:44,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:44,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:44,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:44,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:44,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:45,000 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,009 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 [2025-02-08 14:25:45,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,012 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) [2025-02-08 14:25:45,015 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 [2025-02-08 14:25:45,016 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 [2025-02-08 14:25:45,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:45,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:45,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:45,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:45,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,040 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 [2025-02-08 14:25:45,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,043 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) [2025-02-08 14:25:45,046 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 [2025-02-08 14:25:45,048 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 [2025-02-08 14:25:45,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:45,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:45,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:45,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:45,068 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-02-08 14:25:45,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,078 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) [2025-02-08 14:25:45,094 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 [2025-02-08 14:25:45,097 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 [2025-02-08 14:25:45,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:45,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:45,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:45,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:45,110 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-08 14:25:45,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,120 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) [2025-02-08 14:25:45,122 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 [2025-02-08 14:25:45,123 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 [2025-02-08 14:25:45,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:45,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:25:45,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:25:45,153 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,161 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 [2025-02-08 14:25:45,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,164 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) [2025-02-08 14:25:45,166 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 [2025-02-08 14:25:45,167 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 [2025-02-08 14:25:45,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:45,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:45,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:45,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:45,181 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-08 14:25:45,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,191 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) [2025-02-08 14:25:45,192 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 [2025-02-08 14:25:45,192 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 [2025-02-08 14:25:45,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:45,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:45,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:45,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:45,204 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,210 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 [2025-02-08 14:25:45,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,212 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) [2025-02-08 14:25:45,213 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 [2025-02-08 14:25:45,214 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 [2025-02-08 14:25:45,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:25:45,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:45,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:25:45,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:25:45,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,231 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 [2025-02-08 14:25:45,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,233 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) [2025-02-08 14:25:45,234 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 [2025-02-08 14:25:45,235 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 [2025-02-08 14:25:45,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:45,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:25:45,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:25:45,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,267 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 [2025-02-08 14:25:45,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,270 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) [2025-02-08 14:25:45,273 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 [2025-02-08 14:25:45,274 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 [2025-02-08 14:25:45,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,287 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-08 14:25:45,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,297 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2025-02-08 14:25:45,297 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-02-08 14:25:45,312 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:25:45,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-02-08 14:25:45,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,323 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) [2025-02-08 14:25:45,326 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 [2025-02-08 14:25:45,326 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 [2025-02-08 14:25:45,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:25:45,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:25:45,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:25:45,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:25:45,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:25:45,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:25:45,355 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:25:45,401 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2025-02-08 14:25:45,404 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-02-08 14:25:45,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:25:45,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:25:45,413 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) [2025-02-08 14:25:45,416 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 [2025-02-08 14:25:45,416 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:25:45,430 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:25:45,430 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:25:45,431 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrreplace_~p~0#1.base)_1, ULTIMATE.start_cstrreplace_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrreplace_~p~0#1.base)_1 - 1*ULTIMATE.start_cstrreplace_~p~0#1.offset Supporting invariants [] [2025-02-08 14:25:45,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-08 14:25:45,451 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2025-02-08 14:25:45,463 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2025-02-08 14:25:45,464 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-08 14:25:45,464 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-08 14:25:45,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:25:45,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:25:45,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:25:45,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:45,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:25:45,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:25:45,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:25:45,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:25:45,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:25:45,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:25:45,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:25:45,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 14:25:45,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:25:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:25:45,605 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 [2025-02-08 14:25:45,607 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2025-02-08 14:25:45,660 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 20 states and 25 transitions. Complement of second has 6 states. [2025-02-08 14:25:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:25:45,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2025-02-08 14:25:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2025-02-08 14:25:45,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 3 letters. Loop has 4 letters. [2025-02-08 14:25:45,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:25:45,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 7 letters. Loop has 4 letters. [2025-02-08 14:25:45,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:25:45,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 3 letters. Loop has 8 letters. [2025-02-08 14:25:45,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:25:45,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2025-02-08 14:25:45,683 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:25:45,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2025-02-08 14:25:45,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:25:45,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:25:45,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:25:45,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:25:45,687 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:25:45,687 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:25:45,687 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:25:45,687 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:25:45,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:25:45,687 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:25:45,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:25:45,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:25:45 BoogieIcfgContainer [2025-02-08 14:25:45,697 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:25:45,699 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:25:45,699 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:25:45,699 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:25:45,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:25:43" (3/4) ... [2025-02-08 14:25:45,702 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:25:45,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:25:45,703 INFO L158 Benchmark]: Toolchain (without parser) took 3189.90ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 84.4MB in the end (delta: 28.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2025-02-08 14:25:45,705 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:45,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.16ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 96.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:25:45,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.61ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:45,705 INFO L158 Benchmark]: Boogie Preprocessor took 23.89ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 94.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:45,705 INFO L158 Benchmark]: IcfgBuilder took 315.72ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 82.1MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:25:45,706 INFO L158 Benchmark]: BuchiAutomizer took 2427.51ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 84.4MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:45,706 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:25:45,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.16ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 96.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.61ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.89ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 94.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 315.72ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 82.1MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2427.51ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 84.4MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax110 hnf100 lsp104 ukn51 mio100 lsp39 div100 bol100 ite100 ukn100 eq154 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2025-02-08 14:25:45,727 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 [2025-02-08 14:25:45,926 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