./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.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-15/cstrspn_mixed_alloca.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 8dd5f6931770ddb4b9cf8eb898fe5864af65999ea8d319a841184b1f7adb29d2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:27:28,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:27:28,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-08 14:27:28,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:27:28,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:27:28,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:27:28,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:27:28,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:27:28,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:27:28,828 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:27:28,829 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:27:28,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:27:28,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:27:28,829 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:27:28,830 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:27:28,830 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:27:28,830 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:27:28,830 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:27:28,830 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:27:28,830 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:27:28,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:27:28,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:27:28,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:27:28,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:27:28,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:27:28,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:27:28,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:27:28,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:27:28,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:27:28,831 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:27:28,831 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:27:28,832 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:27:28,832 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:27:28,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:27:28,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:27:28,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:27:28,833 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:27:28,833 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 -> 8dd5f6931770ddb4b9cf8eb898fe5864af65999ea8d319a841184b1f7adb29d2 [2025-02-08 14:27:29,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:27:29,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:27:29,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:27:29,035 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:27:29,035 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:27:29,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i [2025-02-08 14:27:30,231 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/132886c11/9c150e95ff024e2291f1e8c67ab5b7ec/FLAG53653f6b3 [2025-02-08 14:27:30,558 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:27:30,559 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i [2025-02-08 14:27:30,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/132886c11/9c150e95ff024e2291f1e8c67ab5b7ec/FLAG53653f6b3 [2025-02-08 14:27:30,584 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/132886c11/9c150e95ff024e2291f1e8c67ab5b7ec [2025-02-08 14:27:30,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:27:30,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:27:30,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:27:30,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:27:30,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:27:30,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b743ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30, skipping insertion in model container [2025-02-08 14:27:30,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:27:30,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:27:30,782 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:27:30,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:27:30,829 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:27:30,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30 WrapperNode [2025-02-08 14:27:30,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:27:30,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:27:30,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:27:30,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:27:30,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,852 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2025-02-08 14:27:30,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:27:30,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:27:30,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:27:30,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:27:30,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,869 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2025-02-08 14:27:30,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,872 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:27:30,875 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:27:30,875 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:27:30,875 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:27:30,876 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (1/1) ... [2025-02-08 14:27:30,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:30,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:30,897 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 14:27:30,904 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 14:27:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:27:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:27:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:27:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:27:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:27:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:27:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:27:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:27:31,002 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:27:31,008 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:27:31,134 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L393: havoc main_#t~ret217#1;call ULTIMATE.dealloc(main_#t~malloc215#1.base, main_#t~malloc215#1.offset);havoc main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call ULTIMATE.dealloc(main_#t~malloc216#1.base, main_#t~malloc216#1.offset);havoc main_#t~malloc216#1.base, main_#t~malloc216#1.offset; [2025-02-08 14:27:31,143 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2025-02-08 14:27:31,143 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:27:31,148 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:27:31,148 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:27:31,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:27:31 BoogieIcfgContainer [2025-02-08 14:27:31,150 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:27:31,151 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:27:31,151 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:27:31,154 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:27:31,155 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:27:31,155 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:27:30" (1/3) ... [2025-02-08 14:27:31,156 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a88ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:27:31, skipping insertion in model container [2025-02-08 14:27:31,156 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:27:31,156 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:27:30" (2/3) ... [2025-02-08 14:27:31,157 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a88ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:27:31, skipping insertion in model container [2025-02-08 14:27:31,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:27:31,157 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:27:31" (3/3) ... [2025-02-08 14:27:31,158 INFO L363 chiAutomizerObserver]: Analyzing ICFG cstrspn_mixed_alloca.i [2025-02-08 14:27:31,198 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:27:31,198 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:27:31,199 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:27:31,199 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:27:31,199 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:27:31,199 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:27:31,200 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:27:31,200 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:27:31,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 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 14:27:31,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-08 14:27:31,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:31,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:31,217 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-08 14:27:31,217 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-08 14:27:31,217 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:27:31,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 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 14:27:31,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-08 14:27:31,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:31,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:31,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-08 14:27:31,219 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-08 14:27:31,223 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~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;" [2025-02-08 14:27:31,223 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);" "assume 0 != cstrspn_#t~mem205#1;havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1;" "assume !true;" "call cstrspn_#t~mem211#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);" "assume !(cstrspn_#t~mem211#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem211#1;cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post212#1.base, 1 + cstrspn_#t~post212#1.offset;havoc cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset;" [2025-02-08 14:27:31,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:31,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1815198, now seen corresponding path program 1 times [2025-02-08 14:27:31,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:31,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342744008] [2025-02-08 14:27:31,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:31,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:31,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:27:31,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:27:31,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:31,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:31,323 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:31,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:27:31,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:27:31,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:31,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:31,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:31,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:31,368 INFO L85 PathProgramCache]: Analyzing trace with hash 49588848, now seen corresponding path program 1 times [2025-02-08 14:27:31,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:31,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950582609] [2025-02-08 14:27:31,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:31,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:31,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:27:31,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:27:31,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:31,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:31,410 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 14:27:31,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:27:31,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950582609] [2025-02-08 14:27:31,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950582609] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:27:31,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:27:31,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:27:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921276194] [2025-02-08 14:27:31,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:27:31,416 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-08 14:27:31,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:27:31,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:27:31,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:27:31,436 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 14:27:31,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:27:31,442 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2025-02-08 14:27:31,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2025-02-08 14:27:31,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-08 14:27:31,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 11 states and 15 transitions. [2025-02-08 14:27:31,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-02-08 14:27:31,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-02-08 14:27:31,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2025-02-08 14:27:31,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:27:31,451 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2025-02-08 14:27:31,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2025-02-08 14:27:31,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-02-08 14:27:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 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 14:27:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2025-02-08 14:27:31,468 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2025-02-08 14:27:31,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 14:27:31,470 INFO L432 stractBuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2025-02-08 14:27:31,472 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:27:31,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2025-02-08 14:27:31,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-02-08 14:27:31,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:31,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:31,473 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-08 14:27:31,473 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:27:31,473 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~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;" [2025-02-08 14:27:31,473 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);" "assume 0 != cstrspn_#t~mem205#1;havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1;" "assume true;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1;" "assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256);" "assume !cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1;" "call cstrspn_#t~mem211#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);" "assume !(cstrspn_#t~mem211#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem211#1;cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post212#1.base, 1 + cstrspn_#t~post212#1.offset;havoc cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset;" [2025-02-08 14:27:31,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:31,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1815198, now seen corresponding path program 2 times [2025-02-08 14:27:31,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:31,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331363627] [2025-02-08 14:27:31,475 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:27:31,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:31,488 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:27:31,507 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:27:31,509 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:27:31,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:31,510 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:31,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:27:31,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:27:31,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:31,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:31,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:31,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:31,534 INFO L85 PathProgramCache]: Analyzing trace with hash 409472237, now seen corresponding path program 1 times [2025-02-08 14:27:31,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:31,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445456105] [2025-02-08 14:27:31,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:31,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:31,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 14:27:31,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 14:27:31,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:31,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:31,557 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:31,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 14:27:31,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 14:27:31,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:31,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:31,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:31,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:31,570 INFO L85 PathProgramCache]: Analyzing trace with hash 439918512, now seen corresponding path program 1 times [2025-02-08 14:27:31,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:31,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731802353] [2025-02-08 14:27:31,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:31,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:31,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 14:27:31,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 14:27:31,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:31,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:31,610 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:31,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 14:27:31,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 14:27:31,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:31,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:31,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:32,468 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:27:32,468 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:27:32,469 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:27:32,469 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:27:32,469 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:27:32,469 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:32,469 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:27:32,469 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:27:32,469 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration2_Lasso [2025-02-08 14:27:32,469 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:27:32,469 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:27:32,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:32,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:33,208 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:27:33,214 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:27:33,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,222 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 14:27:33,223 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 14:27:33,226 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 14:27:33,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:33,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:33,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:33,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-08 14:27:33,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,264 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 14:27:33,265 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 14:27:33,267 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 14:27:33,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:33,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:33,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:33,282 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,296 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 14:27:33,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,298 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 14:27:33,303 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 14:27:33,304 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 14:27:33,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:33,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:33,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:33,317 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,323 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 14:27:33,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,327 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 14:27:33,328 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 14:27:33,330 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 14:27:33,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:33,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:33,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:33,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,350 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 [2025-02-08 14:27:33,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,354 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 14:27:33,354 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 14:27:33,356 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 14:27:33,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:33,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:33,375 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,389 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 14:27:33,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,391 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 14:27:33,396 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 14:27:33,397 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 14:27:33,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:33,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:33,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:33,423 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,433 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 14:27:33,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,435 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 14:27:33,443 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 14:27:33,443 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 14:27:33,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:33,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:33,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:33,456 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:33,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,464 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 14:27:33,466 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 14:27:33,467 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 14:27:33,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:33,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:33,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:33,483 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,494 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 14:27:33,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,500 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 14:27:33,505 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 14:27:33,505 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 14:27:33,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:33,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:33,531 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,537 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 14:27:33,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,540 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 14:27:33,542 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 14:27:33,543 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 14:27:33,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:33,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,553 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-08 14:27:33,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,555 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-02-08 14:27:33,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:33,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:33,568 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 [2025-02-08 14:27:33,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,574 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 14:27:33,576 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 14:27:33,577 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 14:27:33,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:33,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:33,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:33,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:33,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:33,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:33,597 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:27:33,614 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2025-02-08 14:27:33,616 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2025-02-08 14:27:33,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:33,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:33,625 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 14:27:33,632 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 14:27:33,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:27:33,644 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:27:33,644 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:27:33,645 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1, ULTIMATE.start_cstrspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 - 1*ULTIMATE.start_cstrspn_~sc1~0#1.offset Supporting invariants [] [2025-02-08 14:27:33,654 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 [2025-02-08 14:27:33,679 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2025-02-08 14:27:33,684 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-08 14:27:33,684 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-08 14:27:33,685 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sc1~0!offset [2025-02-08 14:27:33,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:33,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 14:27:33,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 14:27:33,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:33,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:33,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 14:27:33,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:33,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 14:27:33,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 14:27:33,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:33,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:33,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 14:27:33,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:33,799 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 14:27:33,802 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 14:27:33,802 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 14:27:33,853 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18 states and 25 transitions. Complement of second has 4 states. [2025-02-08 14:27:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:27:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 14:27:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2025-02-08 14:27:33,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 7 letters. [2025-02-08 14:27:33,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:33,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 7 letters. [2025-02-08 14:27:33,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:33,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 14 letters. [2025-02-08 14:27:33,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:33,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2025-02-08 14:27:33,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:27:33,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 23 transitions. [2025-02-08 14:27:33,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2025-02-08 14:27:33,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-02-08 14:27:33,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 23 transitions. [2025-02-08 14:27:33,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:27:33,860 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 23 transitions. [2025-02-08 14:27:33,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 23 transitions. [2025-02-08 14:27:33,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-02-08 14:27:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.4375) internal successors, (23), 15 states have internal predecessors, (23), 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 14:27:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2025-02-08 14:27:33,861 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 23 transitions. [2025-02-08 14:27:33,861 INFO L432 stractBuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2025-02-08 14:27:33,861 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-08 14:27:33,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2025-02-08 14:27:33,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:27:33,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:33,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:33,862 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-08 14:27:33,862 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:27:33,862 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~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;" "assume true;call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);" "assume 0 != cstrspn_#t~mem205#1;havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1;" [2025-02-08 14:27:33,862 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1;" "assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256);" "assume cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1;cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset - 1;" [2025-02-08 14:27:33,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1744405981, now seen corresponding path program 1 times [2025-02-08 14:27:33,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:33,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011547537] [2025-02-08 14:27:33,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:33,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:33,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 14:27:33,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 14:27:33,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:33,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:33,877 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:33,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 14:27:33,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 14:27:33,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:33,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:33,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:33,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:33,892 INFO L85 PathProgramCache]: Analyzing trace with hash 45614, now seen corresponding path program 1 times [2025-02-08 14:27:33,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:33,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531625631] [2025-02-08 14:27:33,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:33,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:33,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:33,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:33,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:33,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:33,897 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:33,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:33,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:33,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:33,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:33,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:33,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:33,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1505685806, now seen corresponding path program 1 times [2025-02-08 14:27:33,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:33,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693943910] [2025-02-08 14:27:33,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:33,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:33,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 14:27:33,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 14:27:33,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:33,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:33,918 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:33,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 14:27:33,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 14:27:33,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:33,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:33,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:34,014 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 14:27:34,555 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:27:34,555 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:27:34,555 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:27:34,555 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:27:34,555 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:27:34,555 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:34,555 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:27:34,555 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:27:34,555 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration3_Lasso [2025-02-08 14:27:34,555 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:27:34,555 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:27:34,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:34,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:35,322 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:27:35,322 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:27:35,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,331 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) [2025-02-08 14:27:35,332 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 [2025-02-08 14:27:35,333 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 14:27:35,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-08 14:27:35,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,367 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) [2025-02-08 14:27:35,369 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 [2025-02-08 14:27:35,370 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 14:27:35,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,398 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-08 14:27:35,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,417 INFO L229 MonitoredProcess]: Starting monitored process 16 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 14:27:35,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-08 14:27:35,421 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 14:27:35,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,450 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-02-08 14:27:35,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,467 INFO L229 MonitoredProcess]: Starting monitored process 17 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 14:27:35,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-08 14:27:35,471 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 [2025-02-08 14:27:35,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,491 INFO L229 MonitoredProcess]: Starting monitored process 18 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 14:27:35,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-08 14:27:35,493 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 14:27:35,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:35,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:35,512 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-02-08 14:27:35,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,525 INFO L229 MonitoredProcess]: Starting monitored process 19 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 14:27:35,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-08 14:27:35,528 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 14:27:35,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,543 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,552 INFO L229 MonitoredProcess]: Starting monitored process 20 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 14:27:35,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-08 14:27:35,554 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 14:27:35,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,569 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,577 INFO L229 MonitoredProcess]: Starting monitored process 21 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 14:27:35,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-08 14:27:35,579 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 14:27:35,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,591 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,599 INFO L229 MonitoredProcess]: Starting monitored process 22 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 14:27:35,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-08 14:27:35,600 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 14:27:35,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,612 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-02-08 14:27:35,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,620 INFO L229 MonitoredProcess]: Starting monitored process 23 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 14:27:35,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-08 14:27:35,622 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 14:27:35,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,634 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-08 14:27:35,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,641 INFO L229 MonitoredProcess]: Starting monitored process 24 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 14:27:35,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-08 14:27:35,643 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 14:27:35,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,655 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-02-08 14:27:35,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,667 INFO L229 MonitoredProcess]: Starting monitored process 25 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 14:27:35,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-08 14:27:35,668 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 14:27:35,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,680 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-02-08 14:27:35,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,688 INFO L229 MonitoredProcess]: Starting monitored process 26 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 14:27:35,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-08 14:27:35,690 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 14:27:35,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:35,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:35,712 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,719 INFO L229 MonitoredProcess]: Starting monitored process 27 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 14:27:35,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-08 14:27:35,722 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 14:27:35,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,747 INFO L229 MonitoredProcess]: Starting monitored process 28 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 14:27:35,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-08 14:27:35,749 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 14:27:35,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,761 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,769 INFO L229 MonitoredProcess]: Starting monitored process 29 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 14:27:35,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-08 14:27:35,770 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 14:27:35,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,783 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,791 INFO L229 MonitoredProcess]: Starting monitored process 30 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 14:27:35,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-08 14:27:35,794 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 14:27:35,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,806 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,817 INFO L229 MonitoredProcess]: Starting monitored process 31 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 14:27:35,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-08 14:27:35,819 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 14:27:35,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-02-08 14:27:35,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,838 INFO L229 MonitoredProcess]: Starting monitored process 32 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 14:27:35,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-08 14:27:35,841 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 14:27:35,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,852 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-02-08 14:27:35,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,860 INFO L229 MonitoredProcess]: Starting monitored process 33 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 14:27:35,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-08 14:27:35,862 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 14:27:35,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,874 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2025-02-08 14:27:35,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,881 INFO L229 MonitoredProcess]: Starting monitored process 34 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 14:27:35,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-08 14:27:35,884 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 14:27:35,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2025-02-08 14:27:35,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,906 INFO L229 MonitoredProcess]: Starting monitored process 35 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 14:27:35,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-08 14:27:35,908 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 14:27:35,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,919 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-02-08 14:27:35,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,926 INFO L229 MonitoredProcess]: Starting monitored process 36 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 14:27:35,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-02-08 14:27:35,930 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 14:27:35,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,942 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-02-08 14:27:35,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,950 INFO L229 MonitoredProcess]: Starting monitored process 37 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 14:27:35,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-02-08 14:27:35,953 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 14:27:35,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:35,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:35,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:35,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:35,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:35,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:35,965 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:35,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:35,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:35,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:35,974 INFO L229 MonitoredProcess]: Starting monitored process 38 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 14:27:35,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-02-08 14:27:35,977 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 14:27:35,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:35,988 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-08 14:27:35,988 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2025-02-08 14:27:35,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:36,052 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2025-02-08 14:27:36,053 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2025-02-08 14:27:36,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:36,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:36,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:36,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:36,209 INFO L229 MonitoredProcess]: Starting monitored process 39 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 14:27:36,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-02-08 14:27:36,210 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 14:27:36,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:36,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:36,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:36,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:36,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:36,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:36,225 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:36,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2025-02-08 14:27:36,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:36,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:36,233 INFO L229 MonitoredProcess]: Starting monitored process 40 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 14:27:36,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-02-08 14:27:36,234 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 14:27:36,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:36,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:36,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:36,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:36,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:36,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:36,247 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:36,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:36,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:36,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:36,256 INFO L229 MonitoredProcess]: Starting monitored process 41 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 14:27:36,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-02-08 14:27:36,257 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 14:27:36,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:36,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:36,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:36,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:36,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:36,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:36,278 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:27:36,289 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-02-08 14:27:36,290 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2025-02-08 14:27:36,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:36,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:36,292 INFO L229 MonitoredProcess]: Starting monitored process 42 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 14:27:36,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-02-08 14:27:36,293 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:27:36,304 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:27:36,304 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:27:36,304 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_cstrspn_~s2#1.base)_2) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrspn_~s2#1.base)_2 Supporting invariants [] [2025-02-08 14:27:36,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:36,342 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2025-02-08 14:27:36,344 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2025-02-08 14:27:36,344 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-08 14:27:36,344 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-08 14:27:36,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:36,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 14:27:36,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 14:27:36,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:36,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:36,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 14:27:36,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:36,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:36,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:36,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:36,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:36,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 14:27:36,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:36,473 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 14:27:36,474 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 14:27:36,474 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 14:27:36,509 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 31 states and 44 transitions. Complement of second has 5 states. [2025-02-08 14:27:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:27:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 14:27:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2025-02-08 14:27:36,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-08 14:27:36,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:36,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 3 letters. [2025-02-08 14:27:36,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:36,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 6 letters. [2025-02-08 14:27:36,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:36,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 44 transitions. [2025-02-08 14:27:36,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:27:36,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 32 transitions. [2025-02-08 14:27:36,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2025-02-08 14:27:36,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2025-02-08 14:27:36,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. [2025-02-08 14:27:36,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:27:36,513 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2025-02-08 14:27:36,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. [2025-02-08 14:27:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2025-02-08 14:27:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 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 14:27:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2025-02-08 14:27:36,514 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2025-02-08 14:27:36,514 INFO L432 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2025-02-08 14:27:36,514 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-08 14:27:36,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2025-02-08 14:27:36,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:27:36,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:36,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:36,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:27:36,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:27:36,519 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~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;" "assume true;call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);" "assume 0 != cstrspn_#t~mem205#1;havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1;" "assume true;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1;" "assume !cstrspn_#t~short209#1;" "assume !cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1;" "call cstrspn_#t~mem211#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);" "assume !(cstrspn_#t~mem211#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem211#1;cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post212#1.base, 1 + cstrspn_#t~post212#1.offset;havoc cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset;" "assume true;call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);" "assume 0 != cstrspn_#t~mem205#1;havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1;" [2025-02-08 14:27:36,519 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1;" "assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256);" "assume cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1;cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset - 1;" [2025-02-08 14:27:36,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:36,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1883524878, now seen corresponding path program 1 times [2025-02-08 14:27:36,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:36,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503881528] [2025-02-08 14:27:36,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:36,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:36,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:27:36,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:27:36,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:36,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:36,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2025-02-08 14:27:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:27:36,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:27:36,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503881528] [2025-02-08 14:27:36,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503881528] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:27:36,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:27:36,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 14:27:36,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830321022] [2025-02-08 14:27:36,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:27:36,699 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-08 14:27:36,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:36,700 INFO L85 PathProgramCache]: Analyzing trace with hash 45614, now seen corresponding path program 2 times [2025-02-08 14:27:36,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:36,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132430524] [2025-02-08 14:27:36,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:27:36,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:36,703 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:36,707 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:36,710 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:27:36,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:36,710 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:36,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:36,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:36,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:36,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:36,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:36,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:27:36,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 14:27:36,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 14:27:36,809 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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 14:27:36,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:27:36,857 INFO L93 Difference]: Finished difference Result 28 states and 37 transitions. [2025-02-08 14:27:36,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 37 transitions. [2025-02-08 14:27:36,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-02-08 14:27:36,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 25 states and 33 transitions. [2025-02-08 14:27:36,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2025-02-08 14:27:36,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2025-02-08 14:27:36,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2025-02-08 14:27:36,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-08 14:27:36,860 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2025-02-08 14:27:36,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2025-02-08 14:27:36,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2025-02-08 14:27:36,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 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 14:27:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions. [2025-02-08 14:27:36,863 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 31 transitions. [2025-02-08 14:27:36,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 14:27:36,864 INFO L432 stractBuchiCegarLoop]: Abstraction has 23 states and 31 transitions. [2025-02-08 14:27:36,864 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-08 14:27:36,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 31 transitions. [2025-02-08 14:27:36,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2025-02-08 14:27:36,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:27:36,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:27:36,865 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:27:36,865 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:27:36,865 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~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem205#1, cstrspn_#t~mem206#1, cstrspn_#t~mem207#1, cstrspn_#t~mem208#1, cstrspn_#t~short209#1, cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset, cstrspn_#t~mem211#1, cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;" "assume true;call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);" "assume 0 != cstrspn_#t~mem205#1;havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1;" "assume true;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1;" "assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256);" "assume !cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1;" "call cstrspn_#t~mem211#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);" "assume !(cstrspn_#t~mem211#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem211#1;cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post212#1.base, 1 + cstrspn_#t~post212#1.offset;havoc cstrspn_#t~post212#1.base, cstrspn_#t~post212#1.offset;" "assume true;call cstrspn_#t~mem205#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);" "assume 0 != cstrspn_#t~mem205#1;havoc cstrspn_#t~mem205#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem206#1 := read~int#0(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem206#1;havoc cstrspn_#t~mem206#1;" [2025-02-08 14:27:36,865 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call cstrspn_#t~mem207#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := 0 != cstrspn_#t~mem207#1;" "assume cstrspn_#t~short209#1;call cstrspn_#t~mem208#1 := read~int#1(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short209#1 := cstrspn_#t~mem208#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256);" "assume cstrspn_#t~short209#1;havoc cstrspn_#t~mem207#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~short209#1;cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post210#1.base, cstrspn_#t~post210#1.offset - 1;" [2025-02-08 14:27:36,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:36,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1854895727, now seen corresponding path program 2 times [2025-02-08 14:27:36,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:36,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676398960] [2025-02-08 14:27:36,866 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:27:36,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:36,874 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 2 equivalence classes. [2025-02-08 14:27:36,903 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:27:36,903 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 14:27:36,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:36,903 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:36,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:27:36,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:27:36,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:36,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:36,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:36,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:36,929 INFO L85 PathProgramCache]: Analyzing trace with hash 45614, now seen corresponding path program 3 times [2025-02-08 14:27:36,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:36,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623764278] [2025-02-08 14:27:36,930 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 14:27:36,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:36,932 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:36,934 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:36,934 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 14:27:36,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:36,934 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:36,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:36,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:36,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:36,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:36,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:36,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:36,937 INFO L85 PathProgramCache]: Analyzing trace with hash 149388544, now seen corresponding path program 1 times [2025-02-08 14:27:36,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:27:36,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209553325] [2025-02-08 14:27:36,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:27:36,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:27:36,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:27:36,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:27:36,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:36,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:36,953 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:27:36,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:27:36,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:27:36,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:36,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:27:36,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:27:37,862 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:27:37,862 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:27:37,862 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:27:37,862 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:27:37,862 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:27:37,862 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:37,862 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:27:37,862 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:27:37,862 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration5_Lasso [2025-02-08 14:27:37,863 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:27:37,863 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:27:37,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:37,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:37,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:37,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:37,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:37,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:37,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:37,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:37,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:27:38,917 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:27:38,918 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:27:38,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:38,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:38,919 INFO L229 MonitoredProcess]: Starting monitored process 43 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 14:27:38,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-02-08 14:27:38,922 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 14:27:38,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:38,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:38,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:38,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:38,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:38,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:38,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:38,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:38,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:38,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:38,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:38,941 INFO L229 MonitoredProcess]: Starting monitored process 44 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 14:27:38,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-02-08 14:27:38,943 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 14:27:38,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:38,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:38,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:38,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:38,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:38,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:38,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:38,955 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:38,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:38,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:38,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:38,962 INFO L229 MonitoredProcess]: Starting monitored process 45 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 14:27:38,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-08 14:27:38,964 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 14:27:38,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:38,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:38,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:38,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:38,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:38,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:38,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:38,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:38,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-02-08 14:27:38,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:38,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:38,985 INFO L229 MonitoredProcess]: Starting monitored process 46 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 14:27:38,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-08 14:27:38,987 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 14:27:38,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:38,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:38,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:38,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:38,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:38,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:38,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:38,999 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:39,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-02-08 14:27:39,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,006 INFO L229 MonitoredProcess]: Starting monitored process 47 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 14:27:39,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-08 14:27:39,010 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 14:27:39,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:39,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:39,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:39,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:39,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:39,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:39,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:39,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:39,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:39,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,029 INFO L229 MonitoredProcess]: Starting monitored process 48 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 14:27:39,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-02-08 14:27:39,031 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 14:27:39,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:39,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:39,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:39,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:39,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:39,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:39,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:39,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:39,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2025-02-08 14:27:39,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,050 INFO L229 MonitoredProcess]: Starting monitored process 49 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 14:27:39,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-02-08 14:27:39,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-08 14:27:39,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:39,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:39,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:39,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:39,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:39,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:39,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:39,064 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:39,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:39,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,072 INFO L229 MonitoredProcess]: Starting monitored process 50 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 14:27:39,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-02-08 14:27:39,074 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 14:27:39,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:39,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:27:39,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:39,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:39,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:39,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:27:39,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:27:39,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:39,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:39,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,093 INFO L229 MonitoredProcess]: Starting monitored process 51 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 14:27:39,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-02-08 14:27:39,097 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 14:27:39,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:39,108 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2025-02-08 14:27:39,108 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2025-02-08 14:27:39,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:39,196 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2025-02-08 14:27:39,196 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2025-02-08 14:27:39,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:39,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-02-08 14:27:39,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,327 INFO L229 MonitoredProcess]: Starting monitored process 52 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 14:27:39,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-02-08 14:27:39,330 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 14:27:39,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:39,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:39,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:39,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:39,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:39,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:39,350 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:39,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2025-02-08 14:27:39,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,367 INFO L229 MonitoredProcess]: Starting monitored process 53 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 14:27:39,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-02-08 14:27:39,370 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 14:27:39,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:39,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:39,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:39,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:39,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:39,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:39,386 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:39,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2025-02-08 14:27:39,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,395 INFO L229 MonitoredProcess]: Starting monitored process 54 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 14:27:39,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-02-08 14:27:39,404 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 14:27:39,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:39,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:39,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:39,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:39,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:39,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:39,417 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:27:39,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2025-02-08 14:27:39,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,425 INFO L229 MonitoredProcess]: Starting monitored process 55 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 14:27:39,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-02-08 14:27:39,428 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 14:27:39,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:27:39,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:27:39,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:27:39,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:27:39,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:27:39,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:27:39,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:27:39,485 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2025-02-08 14:27:39,485 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2025-02-08 14:27:39,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:27:39,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:27:39,488 INFO L229 MonitoredProcess]: Starting monitored process 56 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 14:27:39,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-02-08 14:27:39,490 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:27:39,501 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-08 14:27:39,501 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:27:39,501 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1 Supporting invariants [] [2025-02-08 14:27:39,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-02-08 14:27:39,598 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2025-02-08 14:27:39,599 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2025-02-08 14:27:39,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:39,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:27:39,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:27:39,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:39,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:39,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:27:39,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:39,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:39,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:39,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:39,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:39,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:27:39,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:39,711 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 14:27:39,711 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 14:27:39,711 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 31 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 14:27:39,740 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 31 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 29 states and 38 transitions. Complement of second has 5 states. [2025-02-08 14:27:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:27:39,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 14:27:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2025-02-08 14:27:39,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 13 letters. Loop has 3 letters. [2025-02-08 14:27:39,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:39,741 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-08 14:27:39,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:39,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:27:39,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:27:39,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:39,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:39,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:27:39,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:39,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:39,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:39,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:39,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:39,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:27:39,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:39,795 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 14:27:39,795 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-08 14:27:39,796 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 31 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 14:27:39,808 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 31 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 29 states and 38 transitions. Complement of second has 5 states. [2025-02-08 14:27:39,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:27:39,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 14:27:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2025-02-08 14:27:39,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 13 letters. Loop has 3 letters. [2025-02-08 14:27:39,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:39,811 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-08 14:27:39,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:27:39,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:27:39,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:27:39,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:39,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:39,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:27:39,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:39,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:27:39,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:27:39,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:27:39,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:27:39,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:27:39,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:27:39,921 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 14:27:39,922 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-08 14:27:39,922 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 31 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 14:27:39,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 31 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 34 states and 46 transitions. Complement of second has 4 states. [2025-02-08 14:27:39,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-08 14:27:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 14:27:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2025-02-08 14:27:39,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 13 letters. Loop has 3 letters. [2025-02-08 14:27:39,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:39,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 16 letters. Loop has 3 letters. [2025-02-08 14:27:39,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:39,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 13 letters. Loop has 6 letters. [2025-02-08 14:27:39,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:27:39,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 46 transitions. [2025-02-08 14:27:39,943 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:27:39,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2025-02-08 14:27:39,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:27:39,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:27:39,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:27:39,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:27:39,944 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:27:39,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:27:39,944 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:27:39,946 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-08 14:27:39,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:27:39,946 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:27:39,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:27:39,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:27:39 BoogieIcfgContainer [2025-02-08 14:27:39,952 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:27:39,952 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:27:39,953 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:27:39,953 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:27:39,953 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:27:31" (3/4) ... [2025-02-08 14:27:39,955 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:27:39,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:27:39,956 INFO L158 Benchmark]: Toolchain (without parser) took 9368.76ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 111.4MB in the beginning and 98.8MB in the end (delta: 12.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2025-02-08 14:27:39,956 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:27:39,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.97ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 93.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:27:39,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.12ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 91.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:27:39,956 INFO L158 Benchmark]: Boogie Preprocessor took 21.32ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:27:39,957 INFO L158 Benchmark]: IcfgBuilder took 274.85ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 75.6MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:27:39,957 INFO L158 Benchmark]: BuchiAutomizer took 8801.33ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 75.6MB in the beginning and 100.3MB in the end (delta: -24.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2025-02-08 14:27:39,957 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 176.2MB. Free memory was 100.3MB in the beginning and 98.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:27:39,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.97ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 93.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.12ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 91.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.32ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 274.85ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 75.6MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8801.33ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 75.6MB in the beginning and 100.3MB in the end (delta: -24.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 176.2MB. Free memory was 100.3MB in the beginning and 98.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sc1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 3 locations. One nondeterministic module has affine ranking function null and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 7.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 88 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital246 mio100 ax100 hnf100 lsp110 ukn67 mio100 lsp28 div179 bol100 ite100 ukn100 eq155 hnf94 smp67 dnf750 smp23 tf101 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 223ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 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 14:27:39,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-02-08 14:27:40,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE